Year	Grams per day
1961	94.33
1962	93.61
1963	95.12
1964	98.71
1965	94.96
1966	99.22
1967	96.54
1968	102.76
1969	100.64
1970	105.72
1971	107.71
1972	109.88
1973	115.2
1974	113.78
1975	109.8
1976	116.52
1977	110.21
1978	116.28
1979	118.09
1980	117.58
1981	119.34
1982	120.73
1983	119.29
1984	114.31
1985	118.95
1986	122.8
1987	118.6
1988	120.4
1989	115.58
1990	96.47
1991	120.29
1992	125.7
1993	116.53
1994	110.77
1995	120.97
1996	109.86
1997	115.49
1998	111.82
1999	113.22
2000	115.11
2001	125.37
2002	123.72
2003	132.55
2004	134.97
2005	139.53
2006	132.05
2007	126.21
2008	135.55
2009	131.66
2010	136.68
2011	133.49
2012	129.97
2013	132.85