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      1         0            4
2001     38         0          313
2002     56         0          561
2003     37         0          339
2004     54         0          473
2005     33         1          223
2006     25         1          103
2007      9         1           33
2008     14         0           55
2009      6         0           16
2010      5         0           14
2011      1         0            2
2012      0         0            0
2013      0         0            0
2014      0         0            0
2015      0         0            0
2016      0         0            0
2017      0         0            0
2018      0         0            0
2019      0         0            0
2020      0         0            0
2021      0         0            0