Year Personnel 1985 55000 1989 56000 1990 56000 1991 56000 1992 56000 1993 56000 1994 56000 1995 65500 1996 65500 1997 178000 1998 180500 1999 181000 2000 168500 2001 154500 2002 156800 2003 168800 2004 165000 2005 167000 2006 167000 2007 167000 2008 167000 2009 147500 2010 147500 2011 147600 2012 147600 2013 147600 2014 147600 2015 147600 2016 147600 2017 81000 2018 59000 2019 59000 2020 59000