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     17         0          207
2010     84         0          845
2011     35         0          792
2012     38         0          880
2013     43         0         1150
2014     30         0         1242
2015     21         0          909
2016     18         0          629
2017     18         0          742
2018     15         0          562
2019     19         4          964
2020     24         5          460
2021     24         1          545
2022     38         1          805
2023      3         0           48