Y = 80 Y = 70 Y = 60 Y = 50 Y = 40 Y = 30 Y = 20 Y = 10 Y = 0 year = 2009 dollars_per_capita = $10 medium_number = Digital year = 2009 dollars_per_capita = $1 medium_number = Video year = 2009 dollars_per_capita = $15 medium_number = CDs year = 2009 dollars_per_capita = $1 medium_number = Cassette year = 2009 dollars_per_capita = $1 medium_number = Vinyl year = 2008 dollars_per_capita = $10 medium_number = Digital year = 2008 dollars_per_capita = $1 medium_number = Video year = 2008 dollars_per_capita = $18 medium_number = CDs year = 2008 dollars_per_capita = $1 medium_number = Cassette year = 2008 dollars_per_capita = $1 medium_number = Vinyl year = 2007 dollars_per_capita = $9 medium_number = Digital year = 2007 dollars_per_capita = $1 medium_number = Video year = 2007 dollars_per_capita = $28 medium_number = CDs year = 2007 dollars_per_capita = $1 medium_number = Cassette year = 2007 dollars_per_capita = $1 medium_number = Vinyl year = 2006 dollars_per_capita = $6 medium_number = Digital year = 2006 dollars_per_capita = $1 medium_number = Video year = 2006 dollars_per_capita = $37 medium_number = CDs year = 2006 dollars_per_capita = $1 medium_number = Cassette year = 2006 dollars_per_capita = $1 medium_number = Vinyl year = 2005 dollars_per_capita = $4 medium_number = Digital year = 2005 dollars_per_capita = $1 medium_number = Video year = 2005 dollars_per_capita = $42 medium_number = CDs year = 2005 dollars_per_capita = $1 medium_number = Cassette year = 2005 dollars_per_capita = $1 medium_number = Vinyl year = 2004 dollars_per_capita = $1 medium_number = Digital year = 2004 dollars_per_capita = $2 medium_number = Video year = 2004 dollars_per_capita = $46 medium_number = CDs year = 2004 dollars_per_capita = $1 medium_number = Cassette year = 2004 dollars_per_capita = $1 medium_number = Vinyl year = 2003 dollars_per_capita = $1 medium_number = Digital year = 2003 dollars_per_capita = $1 medium_number = Video year = 2003 dollars_per_capita = $47 medium_number = CDs year = 2003 dollars_per_capita = $1 medium_number = Cassette year = 2003 dollars_per_capita = $1 medium_number = Vinyl year = 2002 dollars_per_capita = $1 medium_number = Video year = 2002 dollars_per_capita = $54 medium_number = CDs year = 2002 dollars_per_capita = $1 medium_number = Cassette year = 2002 dollars_per_capita = $1 medium_number = Vinyl year = 2001 dollars_per_capita = $1 medium_number = Video year = 2001 dollars_per_capita = $59 medium_number = CDs year = 2001 dollars_per_capita = $1 medium_number = Cassette year = 2001 dollars_per_capita = $1 medium_number = Vinyl year = 2000 dollars_per_capita = $1 medium_number = Video year = 2000 dollars_per_capita = $62 medium_number = CDs year = 2000 dollars_per_capita = $3 medium_number = Cassette year = 2000 dollars_per_capita = $1 medium_number = Vinyl year = 1999 dollars_per_capita = $2 medium_number = Video year = 1999 dollars_per_capita = $65 medium_number = CDs year = 1999 dollars_per_capita = $5 medium_number = Cassette year = 1999 dollars_per_capita = $1 medium_number = Vinyl year = 1998 dollars_per_capita = $2 medium_number = Video year = 1998 dollars_per_capita = $58 medium_number = CDs year = 1998 dollars_per_capita = $7 medium_number = Cassette year = 1998 dollars_per_capita = $1 medium_number = Vinyl year = 1997 dollars_per_capita = $1 medium_number = Video year = 1997 dollars_per_capita = $53 medium_number = CDs year = 1997 dollars_per_capita = $8 medium_number = Cassette year = 1997 dollars_per_capita = $1 medium_number = Vinyl year = 1996 dollars_per_capita = $1 medium_number = Video year = 1996 dollars_per_capita = $55 medium_number = CDs year = 1996 dollars_per_capita = $11 medium_number = Cassette year = 1996 dollars_per_capita = $1 medium_number = Vinyl year = 1995 dollars_per_capita = $1 medium_number = Video year = 1995 dollars_per_capita = $53 medium_number = CDs year = 1995 dollars_per_capita = $14 medium_number = Cassette year = 1995 dollars_per_capita = $1 medium_number = Vinyl year = 1994 dollars_per_capita = $1 medium_number = Video year = 1994 dollars_per_capita = $48 medium_number = CDs year = 1994 dollars_per_capita = $19 medium_number = Cassette year = 1994 dollars_per_capita = $1 medium_number = Vinyl year = 1993 dollars_per_capita = $1 medium_number = Video year = 1993 dollars_per_capita = $40 medium_number = CDs year = 1993 dollars_per_capita = $19 medium_number = Cassette year = 1993 dollars_per_capita = $1 medium_number = Vinyl year = 1992 dollars_per_capita = $1 medium_number = Video year = 1992 dollars_per_capita = $33 medium_number = CDs year = 1992 dollars_per_capita = $22 medium_number = Cassette year = 1992 dollars_per_capita = $1 medium_number = Vinyl year = 1991 dollars_per_capita = $1 medium_number = Video year = 1991 dollars_per_capita = $29 medium_number = CDs year = 1991 dollars_per_capita = $21 medium_number = Cassette year = 1991 dollars_per_capita = $1 medium_number = Vinyl year = 1990 dollars_per_capita = $1 medium_number = Video year = 1990 dollars_per_capita = $24 medium_number = CDs year = 1990 dollars_per_capita = $25 medium_number = Cassette year = 1990 dollars_per_capita = $1 medium_number = Vinyl year = 1989 dollars_per_capita = $1 medium_number = Video year = 1989 dollars_per_capita = $20 medium_number = CDs year = 1989 dollars_per_capita = $26 medium_number = Cassette year = 1989 dollars_per_capita = $2 medium_number = Vinyl year = 1988 dollars_per_capita = $1 medium_number = Video year = 1988 dollars_per_capita = $16 medium_number = CDs year = 1988 dollars_per_capita = $28 medium_number = Cassette year = 1988 dollars_per_capita = $4 medium_number = Vinyl year = 1987 dollars_per_capita = $12 medium_number = CDs year = 1987 dollars_per_capita = $25 medium_number = Cassette year = 1987 dollars_per_capita = $7 medium_number = Vinyl year = 1986 dollars_per_capita = $8 medium_number = CDs year = 1986 dollars_per_capita = $21 medium_number = Cassette year = 1986 dollars_per_capita = $10 medium_number = Vinyl year = 1985 dollars_per_capita = $3 medium_number = CDs year = 1985 dollars_per_capita = $22 medium_number = Cassette year = 1985 dollars_per_capita = $13 medium_number = Vinyl year = 1984 dollars_per_capita = $1 medium_number = CDs year = 1984 dollars_per_capita = $22 medium_number = Cassette year = 1984 dollars_per_capita = $16 medium_number = Vinyl year = 1983 dollars_per_capita = $1 medium_number = CDs year = 1983 dollars_per_capita = $17 medium_number = Cassette year = 1983 dollars_per_capita = $19 medium_number = Vinyl year = 1982 dollars_per_capita = $13 medium_number = Cassette year = 1982 dollars_per_capita = $1 medium_number = 8-Track year = 1982 dollars_per_capita = $22 medium_number = Vinyl year = 1981 dollars_per_capita = $11 medium_number = Cassette year = 1981 dollars_per_capita = $3 medium_number = 8-Track year = 1981 dollars_per_capita = $28 medium_number = Vinyl year = 1980 dollars_per_capita = $9 medium_number = Cassette year = 1980 dollars_per_capita = $6 medium_number = 8-Track year = 1980 dollars_per_capita = $29 medium_number = Vinyl year = 1979 dollars_per_capita = $8 medium_number = Cassette year = 1979 dollars_per_capita = $9 medium_number = 8-Track year = 1979 dollars_per_capita = $33 medium_number = Vinyl year = 1978 dollars_per_capita = $8 medium_number = Cassette year = 1978 dollars_per_capita = $15 medium_number = 8-Track year = 1978 dollars_per_capita = $41 medium_number = Vinyl year = 1977 dollars_per_capita = $5 medium_number = Cassette year = 1977 dollars_per_capita = $14 medium_number = 8-Track year = 1977 dollars_per_capita = $41 medium_number = Vinyl year = 1976 dollars_per_capita = $3 medium_number = Cassette year = 1976 dollars_per_capita = $13 medium_number = 8-Track year = 1976 dollars_per_capita = $34 medium_number = Vinyl year = 1975 dollars_per_capita = $2 medium_number = Cassette year = 1975 dollars_per_capita = $12 medium_number = 8-Track year = 1975 dollars_per_capita = $32 medium_number = Vinyl year = 1974 dollars_per_capita = $2 medium_number = Cassette year = 1974 dollars_per_capita = $12 medium_number = 8-Track year = 1974 dollars_per_capita = $32 medium_number = Vinyl year = 1973 dollars_per_capita = $2 medium_number = Cassette year = 1973 dollars_per_capita = $12 medium_number = 8-Track year = 1973 dollars_per_capita = $33 medium_number = Vinyl
The SGPlot Procedure