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      0         0            0
2002      0         0            0
2003      0         0            0
2004      2         0           28
2005     74         9          340
2006     56         5          278
2007     39         2          119
2008     29         3           87
2009     19         5           50
2010      2         0            6
2011      1         0           12
2012      4         0           16
2013      3         0            9
2014      0         0            0
2015      0         0            0
2016      1         0            3
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