1967.0000000;-1.4200408
1968.0000000;0.0316608
1969.0000000;-0.6372394
1970.0000000;-1.2407362
1971.0000000;-0.9902843
1972.0000000;-0.2587771
1973.0000000;-1.3534076
1974.0000000;-1.4044800
1975.0000000;-1.0619371
1976.0000000;-1.3791428
1977.0000000;0.9383342
1978.0000000;0.5005429
1979.0000000;-0.3208910
1980.0000000;-0.1413987
1981.0000000;-1.0923856
1982.0000000;-0.5668482
1983.0000000;-0.1362031
1984.0000000;-0.0139176
1985.0000000;-1.1125202
1986.0000000;-1.4079676
1987.0000000;-0.9377827
1988.0000000;-0.6198395
1989.0000000;-1.6589210
1990.0000000;-1.1606452
1991.0000000;-1.1010075
1992.0000000;-0.8519234
1993.0000000;-0.8984124
1994.0000000;-0.4855335
1995.0000000;-0.3957770
1996.0000000;-0.0187472
1997.0000000;-0.4840855
1998.0000000;-1.6845248
1999.0000000;-1.3444104
2000.0000000;-1.5713377
2001.0000000;0.8512522
2002.0000000;-1.3833995
2003.0000000;-2.3964691