Year	2004-2006 = 100
1961	32.21
1962	34.01
1963	33.06
1964	34.98
1965	36.21
1966	37.34
1967	30.54
1968	31.87
1969	37.74
1970	40.24
1971	37.6
1972	34.53
1973	40.53
1974	44.73
1975	43
1976	48.76
1977	38.35
1978	37.54
1979	41.54
1980	40.49
1981	49.04
1982	46.86
1983	43.07
1984	44.96
1985	45.76
1986	45.25
1987	46.97
1988	52.07
1989	54.7
1990	48.43
1991	48.61
1992	57.42
1993	58.72
1994	56.52
1995	64.14
1996	76.14
1997	76.56
1998	73.21
1999	84.61
2000	70.05
2001	68.75
2002	65.33
2003	77.18
2004	97.08
2005	97.73
2006	105.2
2007	107.69
2008	118.56
2009	134.94
2010	142.11
2011	159.53
2012	160.82
2013	178.6
2014	183.45
2015	183.75
2016	155.86