Year	Personnel
1985	235300
1989	283000
1990	283000
1991	283000
1992	283000
1993	295000
1994	290000
1995	420500
1996	393500
1997	337000
1998	377000
1999	377000
2000	416600
2001	410000
2002	419000
2003	427200
2004	419000
2005	421000
2006	420000
2007	420000
2008	421000
2009	419560
2010	419560
2011	474550
2012	453550
2013	453550
2014	453550
2015	454550
2016	454550
2017	455000
2018	454850
2019	455000
2020	455000