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     20         0          232
2013      4         0           33
2014      3         0           12
2015      0         0            0
2016      1         0            8
2017      9         0           71
2018      2         0           35
2019      0         0            0
2020      1         1           25
2021      0         0            0
2022      0         0            0
2023      0         0            0