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      0         0            0
2007      0         0            0
2008      0         0            0
2009      0         0            0
2010      0         0            0
2011      6         0           63
2012     23         0          510
2013     23         0          411
2014     21         0          337
2015     12         0          311
2016      9         0          372
2017      9         0          502
2018     10         0          170
2019      3         1           75
2020     11         3          116
2021      0         0            0
2022      0         0            0
2023      0         0            0
2024      0         0            0
2025      0         0            0