1967.0000000;-1.3606822
1968.0000000;0.0163299
1969.0000000;-0.6417453
1970.0000000;-1.1632981
1971.0000000;-0.9565793
1972.0000000;-0.2662643
1973.0000000;-1.4291207
1974.0000000;-1.4551215
1975.0000000;-1.1783229
1976.0000000;-1.4406506
1977.0000000;1.0094292
1978.0000000;0.5718153
1979.0000000;-0.1562310
1980.0000000;-0.0053059
1981.0000000;-1.1366847
1982.0000000;-0.4642890
1983.0000000;-0.1392512
1984.0000000;0.1241448
1985.0000000;-1.0873492
1986.0000000;-1.3476093
1987.0000000;-0.9583449
1988.0000000;-0.4023800
1989.0000000;-1.6858034
1990.0000000;-1.3389885
1991.0000000;-1.1195484
1992.0000000;-0.7533438
1993.0000000;-0.9980613
1994.0000000;-0.4646125
1995.0000000;-0.4542571
1996.0000000;-0.1432214
1997.0000000;-0.5476015
1998.0000000;-1.7652661
1999.0000000;-1.5020039
2000.0000000;-1.6699896
2001.0000000;0.7204813
2002.0000000;-1.6627085
2003.0000000;-2.5669236