Year Personnel 1985 161500 1989 297000 1990 297000 1991 297000 1992 175000 1993 175000 1994 140000 1995 124000 1996 119000 1997 79000 1998 79000 1999 91500 2000 84500 2001 72500 2002 72500 2003 72500 2004 75000 2005 76000 2006 76000 2007 76000 2008 76000 2009 75500 2010 75500 2011 75500 2012 75500 2013 75500 2014 75500 2015 75500 2016 75500 2017 76000 2018 76000 2019 76000 2020 76000