Year	Cubic Meters
1990	6365330
1991	6578630
1992	7061110
1993	7201100
1994	7387650
1995	7636310
1996	7957140
1997	8345440
1998	8640680
1999	8984380
2000	9338020
2001	9778270
2002	10092520
2003	10682120
2004	10970450
2005	11308900
2006	11862680
2007	11871100
2008	12690600
2009	13203420
2010	13611110
2011	14066740