Year	Personnel
1985	35000
1989	99000
1990	112000
1991	112000
1992	135000
1993	102000
1994	70000
1995	308500
1996	307700
1997	360500
1998	359000
1999	359000
2000	360000
2001	207000
2002	192000
2003	192000
2004	192000
2005	191000
2006	191000
2007	191000
2008	191000
2009	191300
2010	191300
2011	191300
2012	191300
2013	191300
2014	191300
2015	191300
2016	191300
2017	191000
2018	191300
2019	191000
2020	191000