Year Personnel 1985 700 1989 1000 1990 1000 1991 1000 1992 1000 1993 1000 1994 1000 1995 1400 1996 1400 1997 1360 1998 1360 1999 1400 2000 1400 2001 1500 2002 1500 2003 1500 2004 1512 2005 1512 2006 1512 2007 1512 2008 1612 2009 1512 2010 1512 2011 1510 2012 1510 2013 1510 2014 1510 2015 1500 2016 1500 2017 2000 2018 1900 2019 1000 2020 1000