Year Personnel 1985 64100 1989 62000 1990 127000 1991 127000 1992 64000 1993 64000 1994 69000 1995 69500 1996 112000 1997 146300 1998 136300 1999 136300 2000 136300 2001 124000 2002 136500 2003 136700 2004 136000 2005 138000 2006 138000 2007 138000 2008 138000 2009 137900 2010 137900 2011 137900 2012 137900 2013 137900 2014 20000 2015 20000 2016 20000 2017 40000 2018 20000 2019 40000 2020 40000