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     51        36          193
2000     15         8           41
2001      6         5           14
2002      0         0            0
2003      2         0           14
2004      1         0            7
2005      0         0            0
2006      1         0            4
2007      0         0            0
2008      0         0            0
2009      0         0            0
2010      0         0            0
2011      1         0           14
2012     10         0           62
2013      1         0            1
2014      7         0          150
2015      4         0           79
2016      2         0           65
2017     12         0          321
2018      7         0          104
2019      3         0           53
2020      1         0            1
2021      0         0            0
2022      2         0           60
2023      0         0            0