Year	Cubic Meters
1990	634000
1991	589000
1992	613000
1993	638000
1994	714000
1995	811000
1996	918000
1997	1204000
1998	869000
1999	1223000
2000	1136000
2001	1083000
2002	1021000
2003	866000
2004	912000
2005	1081000
2006	1050000
2007	972000
2008	972000
2009	972000
2010	972000
2011	972000