Year Personnel 1985 42500 1989 46000 1990 53000 1991 53000 1992 57000 1993 57000 1994 57000 1995 57400 1996 57400 1997 57370 1998 57370 1999 57370 2000 57800 2001 59800 2002 59800 2003 59800 2004 46270 2005 47270 2006 57400 2007 58400 2008 58400 2009 58983 2010 58983 2011 58983 2012 58500 2013 58983 2014 40750 2015 40750 2016 40750 2017 41000 2018 41250 2019 42000 2020 42000