Year	Cubic Meters
1990	162567000
1991	160880000
1992	170131000
1993	175999000
1994	183261000
1995	188497000
1996	183375000
1997	188750000
1998	176957000
1999	198258000
2000	201843000
2001	185854000
2002	196128000
2003	181054000
2004	207919000
2005	203325000
2006	184008000
2007	164599000
2008	139252000
2009	116809000
2010	141937000
2011	149855000