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      0         0            0
2013     23         0          148
2014     24         0          818
2015     35         0          855
2016     34         0          870
2017     41         0          959
2018     22         0          537
2019      9         4          579
2020     45         3         2332
2021      7         0          162
2022     18         1          334
2023      1         0           46
2024      0         0            0