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      0         0            0
1999      0         0            0
2000      0         0            0
2001      0         0            0
2002      0         0            0
2003      0         0            0
2004      0         0            0
2005      0         0            0
2006      8         0          123
2007     43         0          414
2008     61         1          630
2009     24         1          309
2010     32         1          230
2011      9         1           45
2012      5         0           27
2013     15         2           77
2014      4         1           27
2015      7         0           48
2016      5         0           27
2017      3         1           27
2018      0         0            0
2019      0         0            0
2020      5         1           60