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     19        13          155
2013     95        61          599
2014     21         7          140
2015     53        29          352
2016     36        24          213
2017     77        30          602
2018     24         3          191
2019     19         8          123
2020     13         7           86
2021      4         1           16