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     11         3           46
1999    115        25          466
2000     84        18          389
2001    118        26          515
2002    139        12         1104
2003    124        12         1110
2004     79        12          702
2005     45         3          451
2006     38         6          167
2007     16         1           81
2008     11         0           52
2009      0         0            0
2010      1         0           23
2011      0         0            0
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