Year	Cubic Meters
1990	687130
1991	689130
1992	691830
1993	704870
1994	712330
1995	720600
1996	726470
1997	731900
1998	730900
1999	735890
2000	740450
2001	744810
2002	749520
2003	754570
2004	759980
2005	765750
2006	770030
2007	774000
2008	778900
2009	783560
2010	788300
2011	791400