Year	Cubic Meters
1990	1151410
1991	1176560
1992	1206280
1993	1226260
1994	1250410
1995	1272670
1996	1298050
1997	1322200
1998	1358750
1999	1392750
2000	1428070
2001	1464440
2002	1502040
2003	1540890
2004	1581040
2005	1622540
2006	1662900
2007	1704400
2008	1747100
2009	1791050
2010	1836250
2011	1877230