Year	Cubic Meters
1990	13127000
1991	13820000
1992	14253000
1993	14907000
1994	15948000
1995	16594000
1996	16322000
1997	16921000
1998	15302000
1999	17750000
2000	19279000
2001	20671000
2002	22098500
2003	21252400
2004	19810100
2005	19025700
2006	19362700
2007	20319600
2008	19398800
2009	20749200
2010	24406500
2011	26050100