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      0         0            0
2009      0         0            0
2010      0         0            0
2011      0         0            0
2012      0         0            0
2013     42        23          324
2014     73        54          398
2015     35        13          288
2016     41        14          363
2017     42        16          312
2018     17         0           95
2019     28         1          211
2020     16         4           67
2021     17         2           79
2022      5         1           11
2023      0         0            0