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      3         0          258
2001      3         0          118
2002      2         0            6
2003      0         0            0
2004      0         0            0
2005      2         0           23
2006      5         0          314
2007      8         0          161
2008      5         0          161
2009      1         0           25
2010      0         0            0
2011      1         0            9
2012      0         0            0
2013      5         1           40
2014      6         0           60
2015      7         1           40
2016      3         0           15
2017      1         0            4
2018      1         0            2
2019      1         0           32
2020      0         0            0
2021      7         1          107
2022      0         0            0