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     33        20          436
2001     23         9          269
2002      2         0           34
2003      3         1           28
2004      1         1            9
2005     12         1          187
2006     17         1          406
2007     32         1          779
2008     25         1          567
2009     43         1          869
2010      0         0            0
2011      0         0            0
2012      3         0           30
2013      0         0            0
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      1         0            6