Year	Cubic Meters
1990	681600
1991	696300
1992	743300
1993	774500
1994	806800
1995	840500
1996	873800
1997	909300
1998	909100
1999	924600
2000	939400
2001	952100
2002	965000
2003	978100
2004	991400
2005	1004900
2006	1017200
2007	1029600
2008	1042200
2009	1055000
2010	1067900
2011	1067900