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     11         3           51
2006     18         1          109
2007     26         2          129
2008     35         2          240
2009     19         0           89
2010     13         0           83
2011     33         0          182
2012     32         2          233
2013      1         0            4
2014     62         6          319
2015     88         1          606
2016    123        13          752
2017    141        33          690
2018    140        34          766
2019    141        57          698
2020    112        49          548
2021     95        41          493
2022     96        34          523
2023      0         0            0