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     13         0          229
2014      0         0            0
2015      4         0           54
2016      0         0            0
2017     15         0          116
2018     23         0          128
2019     12         2           67
2020     43         3          252
2021      8         0           30
2022     27         0          234
2023      0         0            0