year domestic import domestic_label import_label
2000 6.2 3.0    
2001 5.2 3.2    
2002 5.2 3.0    
2003 4.1 3.8    
2004 4.9 2.5    
2005 5.4 2.3    
2006 4.9 2.7    
2007 4.7 3.2    
2008 3.9 3.2    
2009 2.9 2.6    
2010 3.6 2.4 Domestic Import