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     32         0           82
2013     45         0          163
2014     74         3          317
2015     99         1         1141
2016     41         0          150
2017     19         0           74
2018     59         0          268
2019      4         0           14
2020      0         0            0
2021      0         0            0
2022      1         0            4
2023      0         0            0