Year cubic meters 1992 6479.651827728474 1993 6608.694295222156 1994 6720.243483863085 1995 6816.747791599063 1996 6893.963996741036 1997 6963.024040518717 1998 7028.990227877872 1999 7086.43696124882 2000 7155.075922367004 2001 7248.082082176307 2002 7332.784168112086 2003 7403.991774313743 2004 7485.234998378347 2005 7566.556890547119 2006 7636.282167387846 2007 7698.862668014953 2008 7780.1997132256965 2009 7909.719008866449 2010 8076.069519035258 2011 8224.462776052345 2012 8327.110939828022 2013 8416.776513715522 2014 8496.415355339752 2015 8566.254721174477 2016 8644.899279778847 2017 8721.85220424992 2018 8790.072925433824 2019 8851.397883397725 2020 8913.683029641943