Year	Grams per day
1961	85.18
1962	100.66
1963	88.92
1964	106.08
1965	101.82
1966	102.34
1967	104.64
1968	106.56
1969	108.58
1970	114.55
1971	119.6
1972	116.18
1973	107.54
1974	89.2
1975	125.27
1976	130.07
1977	113.89
1978	105.45
1979	106.87
1980	111.19
1981	114.44
1982	117.1
1983	116.44
1984	115.72
1985	114.86
1986	117.12
1987	117.61
1988	115.91
1989	115.87
1990	116.11
1991	118.7
1992	123.09
1993	122.04
1994	119.32
1995	115.17
1996	113.08
1997	118.73
1998	119.14
1999	121.47
2000	127.66
2001	127.81
2002	124.31
2003	122.17
2004	121.93
2005	121.97
2006	124.51
2007	123.05
2008	123.52
2009	123.27
2010	117.73
2011	121.7
2012	120.17
2013	120.6