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      2         0           43
2012     51         5         1028
2013     35         2          425
2014     29         2          394
2015     13         1          161
2016     17         2           95
2017     31         4          368
2018     19         9          199
2019     65        46          899
2020     30        18          276
2021      7         5           26
2022     32        17          128
2023     31        14          120
2024     20        14           72