Jahr MPECS Discovery Observations 1993 0 0 0 1994 0 0 0 1995 0 0 0 1996 0 0 0 1997 36 1 879 1998 12 0 256 1999 30 0 754 2000 91 0 2249 2001 50 0 2037 2002 69 0 2522 2003 12 0 436 2004 76 0 5576 2005 49 0 3660 2006 32 0 2444 2007 35 0 2746 2008 48 0 3500 2009 40 0 2357 2010 43 0 3263 2011 2 0 207 2012 1 0 39 2013 3 0 2743 2014 1 0 54 2015 2 0 557 2016 2 0 324 2017 0 0 0 2018 0 0 0 2019 0 0 0 2020 2 1 590 2021 0 0 0 2022 0 0 0 2023 5 4 410