Year	Personnel
1985	478000
1989	503000
1990	545000
1991	457000
1992	442000
1993	398000
1994	362000
1995	365000
1996	383500
1997	347100
1998	333500
1999	331000
2000	221100
2001	308400
2002	296000
2003	284500
2004	284000
2005	285000
2006	246000
2007	244000
2008	244000
2009	251465
2010	251465
2011	196000
2012	186450
2013	181550
2014	178600
2015	177300
2016	179100
2017	180000
2018	181400
2019	184000
2020	183000