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      2         0           10
1999      0         0            0
2000      0         0            0
2001      0         0            0
2002      0         0            0
2003     26         8          225
2004     18         8          100
2005      6         0          185
2006      0         0            0
2007      3         0           15
2008      6         0          116
2009      2         0            6
2010      0         0            0
2011      1         0           18
2012      1         0           31
2013      0         0            0
2014      0         0            0
2015      0         0            0
2016      0         0            0
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