Jahr  MPECS Discovery Observations
1993      0         0            0
1994      0         0            0
1995      0         0            0
1996      0         0            0
1997      0         0            0
1998      1         0            9
1999      3         1           11
2000      4         1           24
2001      2         1           17
2002      1         0            9
2003      5         0           34
2004      4         0           37
2005      7         0           54
2006      3         0           19
2007      2         0           16
2008      1         0           22
2009      0         0            0
2010      0         0            0
2011      0         0            0
2012      0         0            0
2013      0         0            0
2014      0         0            0
2015      0         0            0
2016      0         0            0
2017      0         0            0
2018      0         0            0
2019      0         0            0