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      1         0            4
2007      1         0            9
2008      0         0            0
2009      0         0            0
2010      0         0            0
2011      2         0           13
2012      0         0            0
2013      4         0           15
2014      8         4           28
2015      3         2            9
2016      6         5           22
2017      9         5           35
2018      2         0            8
2019      7         3           21
2020      0         0            0
2021     46        26          157
2022     55        31          219
2023      2         1            5