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      8         4           43
2011     13         3           54
2012     39        29          162
2013    134        77          592
2014     87        61          338
2015     39        26          160
2016     67        55          292
2017     98        79          359
2018    108        79          401
2019     94        82          348
2020     64        55          228
2021     85        61          286
2022     45        30          151
2023     81        67          257