UNINSURED MOTORISTS, 1989-2007 (1)
Year Percent 
1989 16.3%
1990 15.4
1991 15.1
1992 15.6
1993 16.0
1994 15.1
1995 14.2
1996 13.8
1997 13.2
1998 13.0
1999 12.7
2000 13.4
2001 14.2
2002 14.5
2003 14.9
2004 14.6
2005 14.5
2006 14.3
2007 13.8

(1) Percentage of uninsured drivers, as measured by the ratio of uninsured motorists (UM) claims to bodily injury (BI) claims frequencies.

Source: Insurance Research Council.