Year Cars 1990 24.07 1991 30.36 1992 41.78 1993 59.85 1994 78.62 1995 114.15 1996 143.04 1997 191.27 1998 230.65 1999 304.09 2000 365.09 2001 469.85 2002 623.76 2003 845.87 2004 1069.69 2005 1383.93 2006 1823.57 2007 2316.91 2008 2880.5 2009 3808.33 2010 4989.5 2011 6237.46 2012 7637.87