Year | |
---|---|
1989 | 309.8 |
1990 | 309.8 |
1991 | 554.7 |
1992 | 799.7 |
1993 | 1,044.5 |
1994 | 1,000.1 |
1995 | 948.8 |
1996 | 996.3 |
1997 | 996.3 |
1998 | 963.3 |
1999 | 963.3 |
2000 | 947.5 |
2001 | 947.5 |
2002 | 841.5 |
2003 | 841.5 |
2004 | 841.5 |
2005 | 487.1 |
2006 | 589.4 |
2007 | 589.4 |
2008 | 589.4 |
2009 | 582.5 |
2010 | 541.5 |
2011 | 480.1 |
2012 | 480.3 |
2013 | 483.3 |
2014 | 483.3 |
2015 | 507.3 |
2016 | 487.3 |
2017 | 487.3 |