Jahr  MPECS Discovery Observations
1993      1         0            2
1994      1         1            6
1995      3         1           23
1996      0         0            0
1997     41         9          252
1998    138        56         1362
1999    116        35         1163
2000    130        57         1125
2001     73        21          750
2002      8         0           45
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