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           18
1999      3         0           19
2000     11         3           53
2001      9         0           33
2002      5         0           27
2003     30         0          189
2004     41         1          320
2005    112         2          646
2006    194        13          955
2007     92         2          463
2008    101         0          614
2009     62         0          313
2010     13         0           98
2011      3         0           15
2012     12         0           44
2013     10         0           54
2014      3         0           11
2015      1         0            4
2016      0         0            0
2017      4         0           22
2018     17         0           65
2019      2         1           42
2020      0         0            0
2021      5         0           15
2022      1         1            2
2023      0         0            0
2024      0         0            0