Year	Personnel
1985	201500
1989	201000
1990	201000
1991	205000
1992	208000
1993	213000
1994	206000
1995	201800
1996	198800
1997	166300
1998	172500
1999	169600
2000	163200
2001	163200
2002	181600
2003	181600
2004	167000
2005	168000
2006	161000
2007	161000
2008	161000
2009	142936
2010	149647
2011	148350
2012	147350
2013	148950
2014	146950
2015	146950
2016	145350
2017	146000
2018	147850
2019	147000
2020	147000