1967.0000000;-1.3338870
1968.0000000;-0.1089205
1969.0000000;-0.3276967
1970.0000000;-1.2399937
1971.0000000;-1.2578872
1972.0000000;-0.0447392
1973.0000000;-0.9702981
1974.0000000;-1.0761142
1975.0000000;-0.0435572
1976.0000000;-0.3809933
1977.0000000;0.6660777
1978.0000000;0.5746883
1979.0000000;-1.0458608
1980.0000000;0.1401547
1981.0000000;-0.0294438
1982.0000000;-0.7276577
1983.0000000;-0.9106507
1984.0000000;0.5787859
1985.0000000;-0.3877455
1986.0000000;-1.4242084
1987.0000000;-1.2840414
1988.0000000;-0.7919600
1989.0000000;-1.6788245
1990.0000000;-1.8407454
1991.0000000;-1.8941569
1992.0000000;-1.7956657
1993.0000000;-0.6507256
1994.0000000;-0.6009384
1995.0000000;0.3063515
1996.0000000;-1.2626292
1997.0000000;-1.1602557
1998.0000000;-2.1917908
1999.0000000;-0.9716024
2000.0000000;-1.3185010
2001.0000000;0.8426611
2002.0000000;0.0812101
2003.0000000;-2.5466285