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      2         0            8
2002      7         0           51
2003      0         0            0
2004     40         0         1735
2005     55         0          916
2006     36         0          508
2007     21         0          255
2008      1         0           16
2009    209         9         3080
2010    296         9         6296
2011    156         5         3085
2012    198        21         4334
2013    104        11         2204
2014    315        28         6223
2015    396        36        10647
2016    409        37        11047
2017    570       111        13958
2018    494        58        12357
2019    386        68         9144
2020    335        66         8957
2021    158        23         2375
2022     16         2          190
2023      0         0            0