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     41         2          260
2013     49         0          289
2014     27         1          109
2015     16         0          107
2016      9         1           31
2017      0         0            0
2018      0         0            0
2019      1         1           42
2020      4         0           12
2021      8         4           42
2022      0         0            0