There is a guy on my local forum that access to some computer system that shows this. He was looking up mustangs and thought you guys would be intrigued by this.
I have a system at work to check the number of vehicles in operation as of june 30, 2013.
1994 cobra: 3735
1995 cobra: 3080
1996 cobra: 6581
1997 cobra: 6700
1998 cobra: 5977
So 26,073 sn95 cobras on the road in the nation.
123,737 gt's
205,151 base
354,961 total sn95s
I can also break it down by state! Pretty cool
03 cobra: 10,440
04 cobra: 4,364
In illinois there are supposedly
03 cobra: 472
04 cobra: 186
1988 mustang gt vert: 6,038
1988 mustang gt hatchback: 10,701
1988 mustang lx coupe: 3,956
1988 mustang lx hatch: 5,504
1988 mustang lx vert: 3,813
2006 GT: 62,810 nationally, 2,481 in Illinois.... minus 1
2012 GT: 19,780 nationally, 593 in Illinois
2000 GT
nationally: 36,367
Illinois: 1,106
according to this, this is whats on the road:
2005 GT: 43,618
2006 GT: 62,810
2007 GT: 54,330
2008 GT: 37,670
2009 GT: 13,224
2010 GT: 21,067
2011 GT: 21,163
2012 GT: 19,780
2013 GT: 21,821