1967.0000000;-0.8289301
1968.0000000;0.2567349
1969.0000000;-0.3017005
1970.0000000;-0.6289542
1971.0000000;-0.8613365
1972.0000000;-0.1424055
1973.0000000;-1.2865186
1974.0000000;-1.0631493
1975.0000000;0.0764418
1976.0000000;-1.1919947
1977.0000000;0.5505913
1978.0000000;0.6004391
1979.0000000;-0.3713961
1980.0000000;0.3820713
1981.0000000;-0.0153222
1982.0000000;-0.1565662
1983.0000000;-0.3456290
1984.0000000;0.5422915
1985.0000000;-0.5486129
1986.0000000;-1.3094771
1987.0000000;-0.4594933
1988.0000000;0.0031804
1989.0000000;-1.5816407
1990.0000000;-1.2784808
1991.0000000;-0.9261172
1992.0000000;-0.7386694
1993.0000000;-0.6083329
1994.0000000;-0.3037090
1995.0000000;0.4302809
1996.0000000;-0.2124614
1997.0000000;-0.4530834
1998.0000000;-1.5722239
1999.0000000;-0.7605674
2000.0000000;-0.8667217
2001.0000000;0.6221426
2002.0000000;-0.9273182
2003.0000000;-2.5695062