Year	Grams per day
1961	82.58
1962	83.99
1963	86.27
1964	89.32
1965	89.86
1966	93.92
1967	95.92
1968	94.89
1969	102.35
1970	100.31
1971	103.25
1972	106.19
1973	110.82
1974	112.99
1975	118.26
1976	95.21
1977	104.93
1978	109.17
1979	102.07
1980	113.23
1981	106.06
1982	113.66
1983	106.76
1984	102.89
1985	107.15
1986	108.14
1987	120.93
1988	103.4
1989	119.64
1990	118.73
1991	109.34
1992	123.7
1993	110.23
1994	107.55
1995	117.15
1996	124.99
1997	125.32
1998	130.99
1999	118.89
2000	104.55
2001	103.76
2002	101.93
2003	103.03
2004	103.41
2005	98.75
2006	101.52
2007	95.94
2008	98.26
2009	93.87
2010	93.95
2011	96.78
2012	94.19
2013	95.03