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     39         9          389
2012    248        74         1865
2013    147        30         1097
2014    161        54         1062
2015     82        33          519
2016      2         0           12
2017     80        14          474
2018     45         8          552
2019      5         0           18
2020      1         0           16
2021      0         0            0
2022      0         0            0
2023      2         0            6
2024      1         0            3