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 7 2 22 2002 0 0 0 2003 0 0 0 2004 0 0 0 2005 2 0 21 2006 2 0 27 2007 8 1 153 2008 0 0 0 2009 5 0 36 2010 12 3 406 2011 4 0 64 2012 24 0 504 2013 21 0 548 2014 3 1 43 2015 14 3 333 2016 22 2 666 2017 21 5 522 2018 9 6 64 2019 20 8 214 2020 12 2 105 2021 1 0 16