Jahr  MPECS Discovery Observations
1993      0         0            0
1994      0         0            0
1995      0         0            0
1996      2         1            7
1997     20         5          116
1998     25        10          152
1999     21         9           68
2000      9         4           39
2001      6         0           38
2002      2         0            9
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      0         0            0
2014      0         0            0
2015      0         0            0
2016      0         0            0
2017      0         0            0
2018      0         0            0
2019      0         0            0
2020      0         0            0
2021      0         0            0
2022      0         0            0
2023      0         0            0