1967.0000000;-0.6369420
1968.0000000;-0.0828537
1969.0000000;-0.4306058
1970.0000000;-0.7865366
1971.0000000;-0.8493784
1972.0000000;-0.2862605
1973.0000000;-1.4511365
1974.0000000;-0.8895842
1975.0000000;-0.3795524
1976.0000000;-1.1227740
1977.0000000;0.4511234
1978.0000000;0.5394804
1979.0000000;-0.1344203
1980.0000000;0.3722729
1981.0000000;0.1077521
1982.0000000;-0.1379715
1983.0000000;-0.2439712
1984.0000000;0.2759139
1985.0000000;-0.3953020
1986.0000000;-1.4235721
1987.0000000;-0.4356300
1988.0000000;-0.0824411
1989.0000000;-1.3462052
1990.0000000;-1.1771083
1991.0000000;-0.6416541
1992.0000000;-0.5167247
1993.0000000;-0.5435982
1994.0000000;-0.4780156
1995.0000000;0.4689370
1996.0000000;-0.1422399
1997.0000000;-0.8049155
1998.0000000;-1.5952275
1999.0000000;-0.8926484
2000.0000000;-1.1124455
2001.0000000;0.2601682
2002.0000000;-1.4004939
2003.0000000;-2.8847632