1967.0000000;-0.8166966
1968.0000000;0.2601715
1969.0000000;-0.5983012
1970.0000000;-0.6278369
1971.0000000;-0.9749218
1972.0000000;-0.1269433
1973.0000000;-1.5673031
1974.0000000;-1.0466157
1975.0000000;0.1533402
1976.0000000;-1.3117282
1977.0000000;0.6980550
1978.0000000;0.6349532
1979.0000000;-0.1604718
1980.0000000;0.4034637
1981.0000000;0.0795175
1982.0000000;-0.1982790
1983.0000000;-0.3493029
1984.0000000;0.3505489
1985.0000000;-0.5449749
1986.0000000;-1.4184306
1987.0000000;-0.5229407
1988.0000000;0.0351845
1989.0000000;-1.5142846
1990.0000000;-1.3604332
1991.0000000;-0.7288458
1992.0000000;-0.6649965
1993.0000000;-0.5854698
1994.0000000;-0.4803935
1995.0000000;0.5491031
1996.0000000;-0.1840641
1997.0000000;-0.7683818
1998.0000000;-1.7973971
1999.0000000;-0.7960191
2000.0000000;-1.3208684
2001.0000000;0.5945954
2002.0000000;-1.6770763
2003.0000000;-3.1018131