| Year | Type I Linear Length (miles) |
Type II Linear Length (miles) |
Type I (%) |
Type II (%) |
|---|---|---|---|---|
| 1963-1989 | 507 | 198 | 72% | 28% |
| 1990 | 44 | 19 | 70% | 30% |
| 1991 | 78 | 18 | 81% | 19% |
| 1992 | 113 | 18 | 86% | 14% |
| 1993 | 63 | 21 | 75% | 25% |
| 1994 | 48 | 16 | 75% | 25% |
| 1995 | 93 | 32 | 74% | 26% |
| 1996 | 37 | 15 | 72% | 28% |
| 1997 | 67 | 31 | 68% | 32% |
| 1998 | 119 | 23 | 84% | 16% |
| 1999 | 31 | 18 | 64% | 36% |
| 2000 | 67 | 11 | 86% | 14% |
| 2001 | 72 | 18 | 80% | 20% |
| 2002 | 59 | 13 | 82% | 18% |
| 2003 | 76 | 4 | 94% | 6% |
| 2004 | 99 | 15 | 87% | 13% |
| 2005 | 56 | 10 | 85% | 15% |
| 2006 | 80 | 13 | 86% | 14% |
| 2007 | 57 | 19 | 76% | 24% |
| 2008 | 38 | 3 | 94% | 6% |
| 2009 | 63 | 5 | 93% | 7% |
| 2010 | 70 | 13 | 84% | 16% |
| Unknown | 6 | 0 | 100% | 0% |
| All | 1,938 | 533 | 78% | 22% |
Total Types I and II - 2,471
Total All Other Types - 264
Total Types I and II Plus - 2,735
All Other Types
