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      5         0           13
2001      7         2           46
2002      1         0            5
2003      2         0            8
2004      2         0           64
2005      0         0            0
2006      0         0            0
2007      5         0           57
2008      1         0            4
2009      0         0            0
2010      0         0            0
2011      0         0            0
2012      5         0          316
2013      1         0            7
2014      9         2          122
2015      0         0            0
2016      2         0           90
2017      4         2           45
2018     22         2          213
2019     23         9          365
2020      7         2           48
2021     18         1          152
2022      6         0           28