1967.0000000;-0.5088977
1968.0000000;0.3500382
1969.0000000;0.1013297
1970.0000000;-0.2503884
1971.0000000;-0.1679898
1972.0000000;0.1420655
1973.0000000;-1.0403087
1974.0000000;-0.5177531
1975.0000000;0.1827119
1976.0000000;-0.5350987
1977.0000000;0.8128554
1978.0000000;0.7766488
1979.0000000;0.2516684
1980.0000000;0.4827218
1981.0000000;0.1423682
1982.0000000;0.0653144
1983.0000000;-0.1619329
1984.0000000;0.4019785
1985.0000000;-0.0550209
1986.0000000;-1.1017120
1987.0000000;-0.0562199
1988.0000000;0.3317211
1989.0000000;-1.3382399
1990.0000000;-1.0169902
1991.0000000;-0.3349685
1992.0000000;-0.3814636
1993.0000000;-0.3062294
1994.0000000;-0.0055802
1995.0000000;0.6044580
1996.0000000;0.1115950
1997.0000000;-0.1348091
1998.0000000;-1.1546707
1999.0000000;-0.4601883
2000.0000000;-0.5266875
2001.0000000;1.1224718
2002.0000000;-0.3541457
2003.0000000;-2.1278701