Year	Cubic Meters
1990	5853200
1991	5925500
1992	5972400
1993	6040200
1994	6092900
1995	6127700
1996	6163500
1997	6208900
1998	6208300
1999	6227600
2000	6242300
2001	6294400
2002	6353000
2003	6383100
2004	6414900
2005	6448200
2006	6612600
2007	6568000
2008	6611200
2009	6655500
2010	6701500
2011	6701500