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      0         0            0
2005      0         0            0
2006      0         0            0
2007      0         0            0
2008     10         0           61
2009     25         5          159
2010     45        14          247
2011     32         7          259
2012     29         7          255
2013     49        12          295
2014     34        11          236
2015     16         6           88
2016     25        13          101
2017     31        17          151
2018     24         5          134
2019     24        13          112
2020     20         7          109
2021     19        11           96
2022      5         1           29
2023      0         0            0