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     71         0          462
2009     43         0          305
2010     29         0          204
2011     62         4          362
2012     50         2          436
2013     59         4          377
2014     24         1          125
2015     15         0           96
2016     15         0           84
2017     30         2          210
2018     23         0          127
2019     28         0          235
2020     42         1          381
2021      5         0           45