Year	Grams per day
1961	106.58
1962	115.33
1963	113.74
1964	120.75
1965	127.45
1966	128.86
1967	129.09
1968	132.1
1969	132
1970	130.22
1971	107.46
1972	140.69
1973	139.56
1974	175.12
1975	154.25
1976	158.28
1977	146.22
1978	138.57
1979	144.87
1980	154.55
1981	158.67
1982	135.65
1983	140.67
1984	139.86
1985	143.31
1986	145.69
1987	140.55
1988	137.55
1989	112.52
1990	111.23
1991	112.32
1992	114.18
1993	112.82
1994	116.96
1995	135.98
1996	138.36
1997	131.29
1998	129.4
1999	129.31
2000	128.83
2001	140.36
2002	135.68
2003	130.07
2004	117.43
2005	124.94
2006	119.19
2007	127.03
2008	126.18
2009	127.94
2010	123.68
2011	130.28
2012	129.36
2013	132.66
