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      1         0            6
2009     63        10          315
2010     58         8          296
2011     54         3          393
2012     53         3          394
2013     32         4          155
2014     13         3           79
2015      5         2           25
2016      2         0           12
2017      1         0            3
2018      0         0            0
2019      0         0            0
2020      2         0           11
2021      0         0            0
2022      0         0            0
2023      0         0            0