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      6         0           29
2004      6         2           27
2005      0         0            0
2006      0         0            0
2007     18         2          150
2008      5         0           42
2009      7         0           78
2010      8         0           66
2011      5         0           65
2012      3         0           32
2013      5         0           38
2014      5         0           35
2015      1         0            3
2016      3         0           36
2017      2         0            6
2018      0         0            0
2019      0         0            0
2020      1         0            6
2021      0         0            0