1967.0000000;-1.3545865
1968.0000000;0.2145879
1969.0000000;-0.4326552
1970.0000000;-1.0055749
1971.0000000;-0.9067202
1972.0000000;-0.0807847
1973.0000000;-1.3888662
1974.0000000;-1.2770066
1975.0000000;0.0683086
1976.0000000;-1.3612396
1977.0000000;0.6467255
1978.0000000;0.5299649
1979.0000000;-0.6015660
1980.0000000;0.1888480
1981.0000000;-0.3157378
1982.0000000;-0.3250231
1983.0000000;-0.4573042
1984.0000000;0.4416801
1985.0000000;-0.6975517
1986.0000000;-1.3563563
1987.0000000;-0.5562429
1988.0000000;-0.0358621
1989.0000000;-1.6881554
1990.0000000;-1.3768890
1991.0000000;-0.9537306
1992.0000000;-0.9259303
1993.0000000;-0.6685187
1994.0000000;-0.2723851
1995.0000000;0.3214047
1996.0000000;-0.4616981
1997.0000000;-0.5745117
1998.0000000;-1.6498950
1999.0000000;-0.6440672
2000.0000000;-1.0388526
2001.0000000;0.7667794
2002.0000000;-0.9626607
2003.0000000;-2.6883810