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     15         0           78
2010     40         0          216
2011     29         0          108
2012     62         0          303
2013     20         0           84
2014      0         0            0
2015      1         0            3
2016      0         0            0
2017      9         0           27
2018      2         0            6
2019      0         0            0
2020      1         0            3
2021      3         0           15
2022      0         0            0