| Alaska |
Unranked |
653 |
1990 |
Insufficient historical volume |
| Utah |
Unranked |
3,703 |
1987 |
Insufficient historical volume |
| Nevada |
Unranked |
1,262 |
1992 |
Insufficient historical volume |
| Idaho |
Unranked |
1,466 |
1997 |
Insufficient historical volume |
| Oregon |
Unranked |
3,061 |
1993 |
Insufficient historical volume |
| Wyoming |
Unranked |
444 |
1998 |
Insufficient historical volume |
| New Hampshire |
#186 |
999 |
1996 |
Insufficient historical volume |
| Montana |
Unranked |
963 |
1992 |
Insufficient historical volume |
| Vermont |
Unranked |
521 |
1991 |
Insufficient historical volume |
| Washington |
#889 |
4,758 |
1992 |
Insufficient historical volume |
| South Dakota |
Unranked |
986 |
1990 |
Insufficient historical volume |
| Nebraska |
Unranked |
2,126 |
1994 |
Insufficient historical volume |
| Colorado |
#750 |
3,235 |
1999 |
Insufficient historical volume |
| Arizona |
Unranked |
3,089 |
1998 |
Insufficient historical volume |
| North Dakota |
Unranked |
733 |
1989 |
Insufficient historical volume |
| Minnesota |
Unranked |
3,945 |
1992 |
Insufficient historical volume |
| Wisconsin |
#776 |
4,241 |
1998 |
Insufficient historical volume |
| Maine |
Unranked |
925 |
1992 |
Insufficient historical volume |
| Michigan |
#827 |
7,865 |
1994 |
Insufficient historical volume |
| Iowa |
Unranked |
2,729 |
1998 |
Insufficient historical volume |
| Kansas |
Unranked |
2,100 |
1992 |
Insufficient historical volume |
| Hawaii |
Unranked |
586 |
1993 |
Insufficient historical volume |
| California |
#680 |
19,032 |
1992 |
36.9% Decline |
| Florida |
#631 |
6,425 |
1994 |
12.9% Decline |
| Missouri |
#513 |
4,049 |
1995 |
Insufficient historical volume |
| Delaware |
Unranked |
362 |
1999 |
Insufficient historical volume |
| Oklahoma |
#693 |
2,403 |
1992 |
Insufficient historical volume |
| Indiana |
#481 |
4,069 |
1998 |
Insufficient historical volume |
| Virginia |
#524 |
3,799 |
1998 |
46.4% Decline |
| Kentucky |
Unranked |
2,870 |
1998 |
Insufficient historical volume |
| Connecticut |
#378 |
1,723 |
1999 |
Insufficient historical volume |
| Ohio |
#623 |
6,746 |
1998 |
38.5% Decline |
| Tennessee |
#834 |
3,049 |
1993 |
Insufficient historical volume |
| Maryland |
#625 |
2,131 |
1998 |
Insufficient historical volume |
| New Mexico |
Unranked |
720 |
1992 |
Insufficient historical volume |
| North Carolina |
#588 |
3,720 |
1998 |
46.9% Decline |
| Louisiana |
#892 |
2,344 |
1993 |
Insufficient historical volume |
| Illinois |
#1125 |
6,152 |
1992 |
Insufficient historical volume |
| Arkansas |
#549 |
1,335 |
1998 |
Insufficient historical volume |
| Massachusetts |
#615 |
2,995 |
1998 |
Insufficient historical volume |
| Texas |
#874 |
9,302 |
1992 |
50.0% Decline |
| Georgia |
#648 |
3,337 |
1999 |
Insufficient historical volume |
| West Virginia |
Unranked |
1,053 |
1998 |
Insufficient historical volume |
| South Carolina |
#497 |
1,603 |
1991 |
Insufficient historical volume |
| Rhode Island |
Unranked |
394 |
1992 |
Insufficient historical volume |
| Pennsylvania |
#656 |
5,765 |
1998 |
65.9% Decline |
| New Jersey |
#539 |
2,966 |
2001 |
46.2% Decline |
| New York |
#618 |
7,739 |
1999 |
43.2% Decline |
| Alabama |
#679 |
1,631 |
1998 |
Insufficient historical volume |
| Mississippi |
#461 |
912 |
1993 |
Insufficient historical volume |
| District of Columbia |
Unranked |
271 |
1988 |
Insufficient historical volume |