Year	Personnel
1985	320000
1989	277000
1990	263000
1991	246000
1992	198000
1993	204000
1994	213000
1995	281600
1996	282300
1997	273250
1998	269710
1999	262260
2000	241800
2001	214700
2002	251200
2003	224000
2004	220000
2005	220000
2006	222000
2007	222000
2008	223000
2009	222422
2010	223216
2011	215700
2012	215600
2013	213950
2014	200000
2015	199950
2016	197950
2017	196000
2018	196350
2019	199000
2020	199000