Year	Years
1960	0.5538
1961	-1.28
1962	0.2225
1963	1.1
1964	1.001
1965	1.025
1966	1.396
1967	1.231
1968	0.676
1969	1.64
1970	-0.2126
1971	0.4092
1972	0.2475
1973	-0.1825
1974	0.05107
1975	-0.5092
1976	-1.483
1977	-1.29
1978	-0.143
1979	-0.3441
1980	1.061
1981	0.6722
1982	0.2559
1983	0.2889
1984	-0.2816
1985	-0.273
1986	0.786
1987	0.7539
1988	0.5482
1989	0.6359
1990	0.6932
1991	0.7716
1992	0.3405
1993	0.5152
1994	0.5374
1995	1.092
1996	0.5123
1997	0.2993
1998	-0.1651
1999	-0.6138
2000	-0.6325
2001	-0.6039
2002	-0.5076
2003	-0.3219