Year Personnel 1985 7700 1989 3000 1990 1000 1991 1000 1992 1000 1993 1000 1994 1000 1995 1150 1996 1150 1997 1150 1998 1150 1999 1200 2000 1200 2001 1300 2002 1300 2003 1300 2004 1000 2005 1000 2007 1000 2008 1000 2009 1200 2010 1200 2011 1200 2012 1200 2013 1200 2014 1200 2015 1200 2016 1200 2017 1000 2018 1200 2019 1000 2020 1000