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      2         0            6
2011     34         6          117
2012     60        23          240
2013     45        24          168
2014     42        12          216
2015     55        12          253
2016     20         4          102
2017     25         5           83
2018      3         2           16
2019      2         1            5
2020      6         3           56
2021      0         0            0
2022      0         0            0
2023      0         0            0