Archived publication
This publication is no longer current or has been superseded.
Return to the point in the document where this figure is located.

Year |
2005 inventory (submitted in 2007) |
2006 inventory (submitted in 2008) |
|---|---|---|
1990 |
23,655.1 |
23,499.1 |
1991 |
23,932.2 |
23,775.2 |
1992 |
25,694.5 |
25,502.5 |
1993 |
24,965.3 |
24,805.5 |
1994 |
25,213.3 |
25,064.6 |
1995 |
25,118.1 |
24,998.5 |
1996 |
26,169.5 |
26,044.9 |
1997 |
28,501.8 |
28,399.5 |
1998 |
27,098.2 |
27,012.3 |
1999 |
28,446.2 |
28,251.1 |
2000 |
28,946.2 |
28,934.8 |
2001 |
30,891.9 |
30,806.5 |
2002 |
30,887.1 |
30,887.9 |
2003 |
32,306.1 |
32,491.8 |
2004 |
31,647.9 |
31,704.9 |
2005 |
33,481.7 |
33,582.0 |