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      9         0           66
2005      4         0           23
2006      0         0            0
2007      0         0            0
2008      1         0            5
2009      1         0            4
2010      1         0            3
2011      0         0            0
2012      8         0           28
2013      0         0            0
2014      0         0            0
2015      1         0            3
2016      0         0            0
2017      2         0            7
2018      3         0            9
2019      1         0            3
2020      0         0            0
2021      0         0            0
2022      0         0            0