Year	Cubic Meters
1990	2492000
1991	2546000
1992	2321000
1993	2218000
1994	2091000
1995	1961000
1996	2012000
1997	1744000
1998	1692000
1999	2214000
2000	2244900
2001	1915500
2002	1591300
2003	1672900
2004	1693700
2005	1522900
2006	1561800
2007	1742900
2008	1742900
2009	1742900
2010	1742900
2011	1742900