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      7         0           53
2013     11         0           91
2014      3         0            6
2015      1         0            9
2016      0         0            0
2017      6         0           16
2018     15         0          128
2019     30         1          266
2020     26         1          301
2021     77         0          958
2022    106         4         1280
2023      0         0            0