Jahr  MPECS Discovery Observations
1993      0         0            0
1994      0         0            0
1995      0         0            0
1996      2         0           36
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     10         0          237
2006      3         0          113
2007      0         0            0
2008      0         0            0
2009      0         0            0
2010      0         0            0
2011      0         0            0
2012      0         0            0
2013      0         0            0
2014      7         3           33
2015     31        23          124
2016     21         4          213
2017      3         0          168
2018      3         1           42
2019      0         0            0
2020      0         0            0
2021      0         0            0
2022      0         0            0
2023      0         0            0