Year Cubic Meters 1990 145170 1991 150330 1992 156510 1993 162870 1994 169460 1995 193160 1996 202260 1997 207020 1998 212770 1999 219400 2000 225740 2001 231560 2002 237570 2003 243760 2004 250140 2005 256720 2006 263110 2007 269680 2008 276440 2009 283400 2010 290560 2011 297390