Jahr  MPECS Discovery Observations
1993      0         0            0
1994      0         0            0
1995      0         0            0
1996      2         0            6
1997     10         5           34
1998      0         0            0
1999      0         0            0
2000      0         0            0
2001      9         0           36
2002     58        20          317
2003     52        16          213
2004     41         9          185
2005     39        12          183
2006      0         0            0
2007      0         0            0
2008      0         0            0
2009      0         0            0
2010      2         0            8
2011      0         0            0
2012      0         0            0
2013      2         0            4
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