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      0         0            0
2011      0         0            0
2012      3         0           10
2013     39         0          185
2014     49         0          219
2015     44         0          257
2016     35         1          286
2017     88        21          692
2018    114        23          856
2019    101        48          573
2020     81        41          565
2021     90        38          605
2022     87        43          644
2023      0         0            0