Year Personnel 1985 186000 1989 200000 1990 230000 1991 286000 1992 286000 1993 322000 1994 322000 1995 371300 1996 406300 1997 429050 1998 434850 1999 429050 2000 429100 2001 444300 2002 544300 2003 595000 2004 482250 2005 483000 2006 513000 2007 513000 2008 513000 2009 513250 2010 513250 2011 513250 2012 513250 2013 513250 2014 513250 2015 513250 2016 513250 2017 513000 2018 513000 2019 513000 2020 463000