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Year |
2005 inventory (submitted in 2007) |
2006 inventory (submitted in 2008) |
|---|---|---|
1990 |
18,977.9 |
20,507.7 |
1991 |
17,550.4 |
18,648.5 |
1992 |
15,794.6 |
16,646.9 |
1993 |
14,619.4 |
16,957.1 |
1994 |
14,227.2 |
16,479.6 |
1995 |
15,084.3 |
15,924.9 |
1996 |
15,396.9 |
16,647.5 |
1997 |
17,059.5 |
17,719.5 |
1998 |
19,308.8 |
19,675.9 |
1999 |
19,924.5 |
19,557.8 |
2000 |
20,215.7 |
19,974.3 |
2001 |
20,513.4 |
20,092.1 |
2002 |
21,243.9 |
20,673.3 |
2003 |
22,742.2 |
20,619.6 |
2004 |
24,482.6 |
24,230.3 |
2005 |
24,500.8 |
23,681.9 |