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 6 0 46 2005 21 7 87 2006 27 7 138 2007 1 0 4 2008 9 3 103 2009 4 2 16 2010 5 1 32 2011 1 0 2 2012 0 0 0 2013 1 0 4 2014 0 0 0 2015 0 0 0 2016 0 0 0 2017 1 0 3 2018 22 17 114 2019 0 0 0 2020 3 1 45 2021 2 0 10 2022 0 0 0 2023 0 0 0