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 6 3 15 1999 17 5 52 2000 0 0 0 2001 14 2 145 2002 4 0 23 2003 0 0 0 2004 0 0 0 2005 0 0 0 2006 22 1 200 2007 9 1 33 2008 3 1 13 2009 2 0 14 2010 11 2 65 2011 7 0 20 2012 49 28 188 2013 40 4 126 2014 26 3 116 2015 2 1 8 2016 17 8 39 2017 14 1 32 2018 3 0 9 2019 5 1 18 2020 8 2 24 2021 2 0 5 2022 5 0 20 2023 0 0 0