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     38        27          128
2007      8         3           28
2008     11         1           40
2009      3         3           13
2010      0         0            0
2011      1         0           13
2012      0         0            0
2013      6         6           22
2014      0         0            0
2015      0         0            0
2016      2         2            7
2017      0         0            0
2018      0         0            0
2019     36        30          171
2020     19        18           59
2021      0         0            0