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      1         0           12
2007     11         0          130
2008      9         0          131
2009     12         0          131
2010      5         0           51
2011     14         0          199
2012      7         0          102
2013     11         0           69
2014      2         0           27
2015      1         0            9
2016      2         0           18
2017      0         0            0
2018      1         0            3
2019      2         1           15
2020      1         1            3
2021      0         0            0
2022      2         0           21
2023      2         0           21