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    326       149        11463
2011     32         5          970
2012      2         0           12
2013      0         0            0
2014    193        46         5012
2015    199        33         5057
2016    186        29         4238
2017    170        30         4398
2018    168        28         6076
2019    160        21         5943
2020    181        27         3631
2021     31         9          643