Year	Cubic Meters
1990	1055000
1991	917000
1992	695500
1993	630400
1994	675000
1995	577100
1996	770010
1997	803520
1998	828590
1999	855820
2000	882110
2001	874830
2002	867630
2003	860520
2004	853500
2005	842160
2006	838490
2007	833800
2008	830200
2009	826630
2010	700050
2011	693020