date ESD ETS
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
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 1773.0