Year	Grams per day
1961	154.02
1962	149.07
1963	150.2
1964	153.98
1965	154.4
1966	150.89
1967	147.38
1968	148.12
1969	149.62
1970	151.71
1971	151.51
1972	154.68
1973	154.13
1974	153.17
1975	147.61
1976	156.54
1977	153.53
1978	153.01
1979	147.34
1980	152.26
1981	148.51
1982	146.27
1983	136.7
1984	141.36
1985	142.62
1986	138.06
1987	132.13
1988	133
1989	137.08
1990	136.76
1991	132.63
1992	139.01
1993	125.84
1994	122.04
1995	131.87
1996	123.95
1997	134.2
1998	131.77
1999	120.34
2000	123.36
2001	124.84
2002	125.11
2003	128.38
2004	128.28
2005	128.26
2006	127.23
2007	129.85
2008	128.84
2009	125.85
2010	126.21
2011	127.41
2012	125.65
2013	126.26