Year	cubic meters
1961	255711.29776169342
1962	198161.164595756
1963	193763.57885753558
1964	189645.97462715436
1965	185815.7460982525
1966	182187.0965864804
1967	178744.70650924082
1968	175470.61281679405
1969	172372.30942943893
1970	169529.47585963836
1971	166970.19979855942
1972	165107.26171080276
1973	163855.2225650066
1974	162695.04638811765
1975	161554.32829862265
1976	160404.54829200858
1977	159291.77472716538
1978	158265.81434287824
1979	157393.34091527466
1980	156496.59769987938
1981	155503.2345314112
1982	154542.00634940428
1983	153611.1638332294
1984	152721.39116146922
1985	151869.77824772513
1986	151097.81250317508
1987	150486.22284286047
1988	149905.9402343535
1989	149286.76832267584
1990	148759.1318757898
1991	147967.64011107234
1992	146736.74412791547
1993	145458.01326057906
1994	144140.40398696534
1995	142633.8646130016
1996	141065.87904133255
1997	139537.82951579534
1998	138053.10145268365
1999	136641.31635315355
2000	135311.64829798922
2001	134036.29445503675
2002	132799.33205190886
2003	131597.8485140323
2004	130491.05432337809
2005	129479.89795888754
2006	128497.79882229432
2007	127532.7187691947
2008	126577.2686069819
2009	125645.97936808785
2010	124785.50720989457
2011	124008.0495648621
2012	123125.3462637324
2013	122146.75707882133
2014	121159.32976672189
2015	120174.54662994364
2016	119240.41016327756
2017	118315.31058780084
2018	116711.45473701696
2019	115492.81737420778
2020	114904.93966070919