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     12         0           39
2002    111         1          915
2003     95         2          842
2004      0         0            0
2005     67         0          661
2006     59         0          824
2007     79         0          894
2008     39         0          524
2009     50         2          472
2010     23         0          269
2011      6         0           39
2012      5         0           45
2013      9         0          111
2014      2         0           11
2015      3         0           48
2016      0         0            0
2017      0         0            0
2018      0         0            0
2019      3         3          152
2020     15         3          381
2021      9         0          201
2022      2         0           15
2023     16         2          114
2024      3         1           15