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      5         0           58
2012     14         0          276
2013     14         0          380
2014     16         0          500
2015     16         0         1374
2016     10         0         1446
2017     11         0         2274
2018     14         0         1431
2019     14         4         2135
2020     20         4         2091
2021     18         1         3419
2022     32         3         2872
2023     33         7         1294