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     63         1          371
2001     39         0           97
2002     49         0          149
2003     28         0           78
2004     31         0          105
2005      2         1            9
2006     11         0           24
2007      2         0            6
2008      0         0            0
2009      2         0            6
2010      6         0           26
2011      0         0            0
2012      6         0           24
2013      0         0            0
2014      0         0            0
2015      0         0            0
2016      1         0            3
2017      0         0            0
2018      0         0            0
2019      2         1            4
2020      1         0            2
2021      3         0            4
2022      0         0            0