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      4         0           16
2001      7         0           49
2002      9         0           73
2003      0         0            0
2004      1         0            3
2005     16         0           76
2006     14         1          203
2007     20         0          138
2008     19         0          143
2009     13         0          173
2010     51         1          300
2011     12         0           77
2012      6         1           92
2013     16         0          128
2014      3         0           78
2015     10         0          138
2016      4         0           67
2017     13         0          128
2018      5         0           70
2019      5         2          106
2020     16         3          378
2021      5         0           51
2022      1         0            3
2023     15         2          100
2024      4         0           30