| date | ESD | ETS |
|---|---|---|
| 1985 | None | None |
| 1986 | None | None |
| 1987 | None | None |
| 1988 | None | None |
| 1989 | None | None |
| 1990 | None | None |
| 1991 | None | None |
| 1992 | None | None |
| 1993 | None | None |
| 1994 | None | None |
| 1995 | None | None |
| 1996 | None | None |
| 1997 | None | None |
| 1998 | None | None |
| 1999 | None | None |
| 2000 | None | None |
| 2001 | None | None |
| 2002 | None | None |
| 2003 | None | None |
| 2004 | None | None |
| 2005 | 2850.0 | 2349.0 |
| 2006 | 2833.0 | 2355.0 |
| 2007 | 2758.0 | 2371.0 |
| 2008 | 2790.0 | 2230.0 |
| 2009 | 2680.0 | 1978.0 |
| 2010 | 2744.0 | 2024.0 |
| 2011 | 2625.0 | 1984.0 |
| 2012 | 2602.0 | 1942.0 |
| 2013 | 2573.0 | 1882.0 |
| 2014 | 2483.0 | 1787.0 |
| 2015 | None | 1773.0 |