1967.0000000;-0.6363121
1968.0000000;0.1618342
1969.0000000;-0.5166414
1970.0000000;-0.7088988
1971.0000000;-0.8379514
1972.0000000;-0.2030375
1973.0000000;-1.5235903
1974.0000000;-0.8781971
1975.0000000;-0.3781238
1976.0000000;-1.0899541
1977.0000000;0.5012830
1978.0000000;0.5672688
1979.0000000;-0.0811483
1980.0000000;0.3202607
1981.0000000;0.0621235
1982.0000000;-0.1847210
1983.0000000;-0.2536444
1984.0000000;0.3642407
1985.0000000;-0.3509141
1986.0000000;-1.3813915
1987.0000000;-0.4227905
1988.0000000;0.0280303
1989.0000000;-1.3052415
1990.0000000;-1.0824642
1991.0000000;-0.6012664
1992.0000000;-0.6166058
1993.0000000;-0.5177851
1994.0000000;-0.4248391
1995.0000000;0.5636526
1996.0000000;-0.0926050
1997.0000000;-0.7121260
1998.0000000;-1.7104609
1999.0000000;-0.8087770
2000.0000000;-1.2900774
2001.0000000;0.4078407
2002.0000000;-1.4806497
2003.0000000;-3.0523293