1967.0000000;-1.3046753
1968.0000000;0.2181513
1969.0000000;-0.3591163
1970.0000000;-1.1212845
1971.0000000;-0.7572556
1972.0000000;-0.1080723
1973.0000000;-1.2108481
1974.0000000;-1.1062062
1975.0000000;-0.8415141
1976.0000000;-1.0835910
1977.0000000;0.8466374
1978.0000000;0.4859211
1979.0000000;-0.1070713
1980.0000000;-0.1415034
1981.0000000;-0.9955457
1982.0000000;-0.4524841
1983.0000000;-0.1583359
1984.0000000;0.0728899
1985.0000000;-0.9993449
1986.0000000;-1.3746608
1987.0000000;-0.8237150
1988.0000000;-0.5352371
1989.0000000;-1.6139419
1990.0000000;-0.9540446
1991.0000000;-0.8690398
1992.0000000;-0.7307444
1993.0000000;-0.7486092
1994.0000000;-0.4434878
1995.0000000;-0.0394965
1996.0000000;0.0112720
1997.0000000;-0.4187223
1998.0000000;-1.5825812
1999.0000000;-1.0958434
2000.0000000;-1.5275836
2001.0000000;1.0017457
2002.0000000;-1.0716774
2003.0000000;-2.3158641