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     12         0           64
2011     19         0           99
2012     19         1           97
2013     31         0          285
2014      9         2           37
2015     24         1           95
2016     31         1          123
2017     37         1          206
2018     17         1           43
2019      3         1           17
2020      7         0           28
2021      4         0           17
2022      4         0           16
2023      0         0            0