Jahr  MPECS Discovery Observations
1993      1         0            3
1994      3         2           19
1995      8         7           63
1996      5         1           22
1997      4         1           33
1998     11         5           52
1999      8         0           30
2000      0         0            0
2001      0         0            0
2002      0         0            0
2003      5         0           30
2004      1         0            3
2005      7         0           32
2006      2         0            8
2007      0         0            0
2008      1         0            7
2009      0         0            0
2010      0         0            0
2011      0         0            0
2012      4         0           16
2013      1         0            4
2014      0         0            0
2015      1         0           10
2016      0         0            0
2017      0         0            0
2018      0         0            0
2019      0         0            0