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      6         0           21
2012      0         0            0
2013      7         0           24
2014      3         0           12
2015      4         0           23
2016      1         0            2
2017      2         0            8
2018      0         0            0
2019      2         1           17
2020      1         0            2
2021      0         0            0
2022      1         0            6
2023      0         0            0