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      6         0           21
1999      5         0           43
2000     15         0          184
2001     11         0          114
2002     23         0          414
2003     42         0          803
2004     19         0          561
2005     11         0          336
2006     12         0          362
2007     10         0          322
2008      9         0          320
2009      8         0          413
2010     13         0          308
2011      3         0          142
2012      3         0           78
2013      2         0           98
2014      3         0           13
2015      5         0           49
2016      3         0           23
2017      0         0            0
2018      0         0            0
2019      0         0            0
2020      0         0            0
2021      0         0            0
2022      0         0            0
2023      0         0            0