Jahr  MPECS Discovery Observations
1993     18         6          118
1994     61        14          310
1995     49        16          176
1996     53        17          273
1997      1         1            2
1998      2         0            5
1999     81         9         1056
2000    124        28         2653
2001     80        10         1824
2002    163        34         4148
2003    172        23         2458
2004    184        30         1917
2005    142        40         1050
2006      2         0            5
2007     25         3          132
2008      2         0           12
2009      1         0            6
2010      0         0            0
2011      0         0            0
2012      0         0            0
2013      1         0            3
2014      1         0            3
2015      0         0            0
2016      0         0            0
2017      0         0            0
2018      0         0            0
2019      0         0            0
2020      2         0            5
2021      0         0            0
2022      0         0            0