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     30         0          181
2003     61         0          448
2004     52         0          609
2005     44         0          512
2006     55         0          730
2007     42         0          336
2008     45         0          230
2009     60         0          306
2010     28         0          190
2011      4         0           45
2012      2         0            6
2013      1         0           14
2014      0         0            0
2015      0         0            0
2016      0         0            0
2017      0         0            0
2018      0         0            0
2019      0         0            0
2020      0         0            0
2021      0         0            0
2022      0         0            0