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      6         3           15
1999     17         5           52
2000      0         0            0
2001     14         2          145
2002      4         0           23
2003      0         0            0
2004      0         0            0
2005      0         0            0
2006     22         1          200
2007      9         1           33
2008      3         1           13
2009      2         0           14
2010     11         2           65
2011      7         0           20
2012     49        28          188
2013     40         4          126
2014     26         3          116
2015      2         1            8
2016     17         8           39
2017     14         1           32
2018      3         0            9
2019      5         1           18
2020      8         2           24
2021      2         0            5
2022      5         0           20
2023      0         0            0