Year	Cubic Meters
1990	1217000
1991	1495000
1992	1400000
1993	1552000
1994	1583000
1995	1457000
1996	1427000
1997	1499000
1998	1286000
1999	1149000
2000	1114000
2001	1114000
2002	710000
2003	906000
2004	820000
2005	774000
2006	794000
2007	867000
2008	886000
2009	853000
2010	750000
2011	750000