Jahr  MPECS Discovery Observations
1993      0         0            0
1994      0         0            0
1995      0         0            0
1996      2         0            4
1997      0         0            0
1998     40        29          146
1999     62        43          183
2000    130        73          754
2001     99        38          543
2002     93        29          693
2003     29        18           90
2004     17        13           80
2005      3         1            9
2006      0         0            0
2007      0         0            0
2008     10         4           36
2009     47        29          141
2010     24         4          234
2011      2         2            5
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
2022      0         0            0
2023      0         0            0