Year	cubic meters
1962	129832.05725958614
1963	125990.01885461969
1964	122297.2972972973
1965	118775.55329207717
1966	115504.45453763536
1967	112555.49367061228
1968	109838.50072953028
1969	107264.92478185643
1970	104841.78661686913
1971	102557.4067732725
1972	100390.17849822274
1973	98330.41428448267
1974	96328.16829546809
1975	94306.4972487331
1976	92169.46961042182
1977	89871.7767432221
1978	87501.18230639077
1979	85169.93581055161
1980	82924.90047717174
1981	80753.80564190353
1982	78648.29965323335
1983	76588.17436641821
1984	74574.19442672991
1985	72649.47196939752
1986	70907.8521546585
1987	69422.15188659659
1988	68131.30701475879
1989	66942.65974459518
1990	65813.96764317858
1991	64876.37178540149
1992	64071.733253506594
1993	63264.688942280656
1994	62500.844504564826
1995	61748.95039392211
1996	60877.43645012745
1997	59862.415663447544
1998	58817.836371124584
1999	57800.739482917335
2000	56835.16981606047
2001	55912.51698999136
2002	55025.12346947745
2003	54166.092000385135
2004	53329.541465864226
2005	52518.07319351642
2006	51722.95975101415
2007	50958.485909911324
2008	50249.648898231484
2009	49584.96561926417
2010	48940.28356679796
2011	48304.386091632136
2012	47670.33154526649
2013	47038.325557640885
2014	46415.37917785799
2015	45810.60730691841
2016	45222.27677814905
2017	44653.63133884737
2018	44112.02950833047
2019	43591.7599741151
2020	43014.796862802636