Year	Cubic Meters
1990	4826900
1991	4713000
1992	4679800
1993	4606500
1994	4525700
1995	4734500
1996	4724300
1997	5076200
1998	5203900
1999	5338800
2000	5481400
2001	5487500
2002	5497200
2003	5510300
2004	5526700
2005	5546400
2006	5571900
2007	5600600
2008	5632400
2009	5667300
2010	5705200
2011	5705200