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      0         0            0
2012      2         0           43
2013     11         0          135
2014     10         0           42
2015      5         0           20
2016      7         0          102
2017      9         0          145
2018     19         0          239
2019      4         2          242
2020     14         3          260
2021     14         0          499
2022     23         1          456
2023      0         0            0