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     12         0           91
2007     46         5          254
2008     68         2          451
2009     36         7          173
2010     13         5           72
2011     15         4           91
2012     30         8          168
2013      7         1           41
2014      5         2           20
2015      2         2            8
2016      9         4           35
2017     18        12           90
2018      8         7           34
2019     10         0           30
2020      8         5           33
2021      8         8           37
2022      1         1            4
2023      0         0            0