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      0         0            0
2001      4         0           39
2002    207        86         1025
2003    315        86         2085
2004    235        57         1574
2005    205        35         1765
2006    168        17         2029
2007    156         7         2103
2008    209        16         2632
2009    135        13         1664
2010    203         7         2815
2011     72         1          986
2012    179         5         2576
2013    308        73         3273
2014    187        37         1908
2015    163        33         1696
2016     21         6          155
2017      0         0            0
2018      0         0            0
2019      0         0            0
2020      0         0            0
2021      0         0            0
2022      0         0            0