1967.0000000;-1.4507475
1968.0000000;0.1924744
1969.0000000;-0.8539317
1970.0000000;-0.5706564
1971.0000000;-1.5279891
1972.0000000;-0.5390562
1973.0000000;-1.0608397
1974.0000000;-0.8590970
1975.0000000;-0.8665455
1976.0000000;-1.4075115
1977.0000000;-0.6104215
1978.0000000;-0.1976190
1979.0000000;-0.8337066
1980.0000000;-0.4259343
1981.0000000;-0.4610669
1982.0000000;-0.5861856
1983.0000000;-0.4392994
1984.0000000;1.1626514
1985.0000000;0.3885173
1986.0000000;-1.3631473
1987.0000000;-0.6392410
1988.0000000;0.1968338
1989.0000000;-1.3841677
1990.0000000;-1.4719170
1991.0000000;-1.6275294
1992.0000000;-1.3733859
1993.0000000;-0.9931007
1994.0000000;-0.6298147
1995.0000000;0.6528878
1996.0000000;-0.2510636
1997.0000000;-0.8746974
1998.0000000;-1.6212950
1999.0000000;-0.8526590
2000.0000000;-1.3133379
2001.0000000;0.7249171
2002.0000000;-0.6140991
2003.0000000;-2.4437380