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     12         0          218
2010      3         0           36
2011      1         0           28
2012     11         0          286
2013     19         0          354
2014      9         0           67
2015      1         0            8
2016     16         1          148
2017      3         1           24
2018      2         1           30
2019      0         0            0
2020      5         2           47
2021      6         2           34
2022      3         1           55
2023      1         0            1