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      3         0           27
2013      9         3           86
2014      0         0            0
2015      3         0          232
2016     21         0          125
2017      8         0           54
2018      1         0            4
2019      6         0           66
2020      0         0            0
2021      0         0            0
2022      0         0            0