Year	2004-2006 = 100
1961	18.87
1962	19.2
1963	21.29
1964	20.81
1965	19.8
1966	18.79
1967	19.01
1968	20.01
1969	19.11
1970	19.9
1971	19.95
1972	20.96
1973	21.97
1974	24.12
1975	26.34
1976	28.66
1977	29.63
1978	22.6
1979	29.31
1980	28.26
1981	27.24
1982	29.14
1983	29.15
1984	28.07
1985	29.25
1986	33.24
1987	37.19
1988	41.1
1989	42.3
1990	45.67
1991	45.03
1992	51.44
1993	55.08
1994	58.8
1995	59.83
1996	62.34
1997	62.33
1998	56.03
1999	71.24
2000	72.73
2001	85.79
2002	90.57
2003	92.32
2004	99.88
2005	97.4
2006	102.72
2007	110.24
2008	114.32
2009	116.51
2010	122.99
2011	128.17
2012	130.1
2013	128.99
2014	129.25
2015	129.66
2016	129.23