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      0         0            0
2011      0         0            0
2012     17         1           64
2013      5         2           21
2014      1         0            3
2015      1         1            4
2016      0         0            0
2017      0         0            0
2018     10         0           35
2019      1         0            3
2020      0         0            0
2021      0         0            0
2022     22        14          179
2023      3         1           11