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      5         0           31
2007     23         8          121
2008     10         5           87
2009     32        23          104
2010     25        23           86
2011      2         2            5
2012     38        22          181
2013     30        11          155
2014     25         9          123
2015     33        19          116
2016     19        17           63
2017     15        12           52
2018     29        13          100
2019      3         2           11
2020      0         0            0
2021      0         0            0
2022      0         0            0