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      0         0            0
2013     20         0         1178
2014     81         2         3100
2015     56         2         1752
2016     36         1         1007
2017     31         1         1194
2018     38        12          863
2019      6         2          467
2020      7         2           80
2021      0         0            0
2022      0         0            0