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     34        15          132
1999     57        19          213
2000    125        61          721
2001    196        68         1867
2002    192        27         1346
2003    268        70         2161
2004    220        54         2057
2005    239        49         2477
2006    162        28         1667
2007    131        13         1260
2008     26         2          330
2009      4         0           16
2010      2         0            8
2011      2         0            8
2012      1         0            4
2013      4         0           28
2014      4         0           24
2015      0         0            0
2016      0         0            0
2017      5         0           23
2018      1         0            4
2019      5         0           24
2020      3         2           17
2021      0         0            0