Year	Grams per day
1961	89.15
1962	87.94
1963	94.15
1964	91.97
1965	95.5
1966	99.69
1967	103.57
1968	109.25
1969	112.57
1970	114.06
1971	115.37
1972	119.09
1973	121.28
1974	128.42
1975	126.16
1976	128.41
1977	121.47
1978	125
1979	128.13
1980	123.33
1981	99.51
1982	124.16
1983	134.1
1984	134.1
1985	123.11
1986	122.37
1987	137.45
1988	137.88
1989	139.87
1990	131.58
1991	105.71
1992	108.62
1993	123.57
1994	117.51
1995	113.15
1996	117.9
1997	119.14
1998	120.1
1999	118.83
2000	124.61
2001	125.91
2002	125.85
2003	126.14
2004	122.96
2005	119.44
2006	118.56
2007	119.38
2008	115.22
2009	119.28
2010	119.2
2011	119.6
2012	122.01
2013	121.61