Jahr  MPECS Discovery Observations
1993      0         0            0
1994      0         0            0
1995      0         0            0
1996      1         0            1
1997      0         0            0
1998      0         0            0
1999      0         0            0
2000      0         0            0
2001      1         0           10
2002      0         0            0
2003      0         0            0
2004      0         0            0
2005      0         0            0
2006      5         0          137
2007      3         0           15
2008      0         0            0
2009      0         0            0
2010      0         0            0
2011     29        13          404
2012      1         0           66
2013      3         0           11
2014      9         5          239
2015      1         0            6
2016      6         0           49
2017      1         0            3
2018      1         0            5
2019      7         3           75
2020      8         0           78
2021      0         0            0
2022      0         0            0
2023      0         0            0