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      7         2           52
2013     22         2           59
2014     14         0           51
2015      1         0           11
2016     13         0           74
2017      0         0            0
2018      0         0            0
2019      0         0            0
2020      1         1            2
2021      0         0            0
2022      2         0           13
2023      0         0            0