Year	Cubic Meters
1990	1518000
1991	1564000
1992	1347000
1993	1352000
1994	1313000
1995	1170000
1996	1275000
1997	1159000
1998	1565000
1999	1850000
2000	1860000
2001	1786000
2002	1846000
2003	2053000
2004	2252000
2005	2621000
2006	2675000
2007	2935000
2008	2924000
2009	3433000
2010	3842000
2011	4348000