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     10         0          237
2010     17         0          553
2011     21         0          385
2012     25         0          552
2013     22         0          442
2014     23         0          700
2015     12         0          622
2016     12         0         4330
2017     19         0          482
2018      2         0            9
2019      0         0            0
2020      4         1           80
2021      1         0           55
2022      0         0            0
2023      1         0            8