Year	Personnel
1985	278100
1989	285000
1990	283000
1991	278000
1992	283000
1993	271000
1994	280000
1995	460500
1996	485200
1997	484000
1998	499000
1999	499000
2000	492000
2001	492000
2002	492000
2003	497000
2004	582000
2005	582000
2006	582000
2007	582000
2008	582000
2009	582000
2010	582000
2011	676500
2012	676500
2013	676500
2014	676500
2015	675500
2016	675500
2017	676000
2018	675500
2019	676000
2020	676000