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 1 0 3 2000 12 4 65 2001 36 4 185 2002 48 5 332 2003 0 0 0 2004 0 0 0 2005 27 0 187 2006 27 0 211 2007 35 2 198 2008 0 0 0 2009 13 0 77 2010 48 2 253 2011 52 1 406 2012 37 5 281 2013 29 4 161 2014 31 0 203 2015 45 4 265 2016 28 4 159 2017 35 4 176 2018 27 5 152 2019 47 18 252 2020 26 10 143 2021 0 0 0