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      1         0            4
2001     63         0          556
2002     94         0          930
2003     68         0          683
2004     92         0          805
2005     41         1          295
2006     35         1          136
2007     11         1           40
2008     17         0           61
2009      8         0           21
2010      7         0           20
2011      1         0            2
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