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      4         0           23
1999     10         1           49
2000     11         5           57
2001     51        14          252
2002     49         5          419
2003     32         4          360
2004     50         9          585
2005     29         7          242
2006      5         1           37
2007      3         0           45
2008      6         0           25
2009      2         1            7
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      1         0            7
2023      0         0            0
2024      0         0            0