1967.0000000;-1.1409020
1968.0000000;0.2195115
1969.0000000;-0.3149058
1970.0000000;-0.9323065
1971.0000000;-0.8858002
1972.0000000;-0.1352206
1973.0000000;-1.3704199
1974.0000000;-1.2325758
1975.0000000;-0.0028333
1976.0000000;-1.2334838
1977.0000000;0.6092580
1978.0000000;0.5203551
1979.0000000;-0.5328062
1980.0000000;0.2132345
1981.0000000;-0.3484924
1982.0000000;-0.2597931
1983.0000000;-0.4240164
1984.0000000;0.3512362
1985.0000000;-0.6500970
1986.0000000;-1.3135889
1987.0000000;-0.5261145
1988.0000000;-0.0999697
1989.0000000;-1.6227126
1990.0000000;-1.2603428
1991.0000000;-0.8968314
1992.0000000;-0.9032432
1993.0000000;-0.6412202
1994.0000000;-0.2762423
1995.0000000;0.2520807
1996.0000000;-0.2665255
1997.0000000;-0.5344152
1998.0000000;-1.6172048
1999.0000000;-0.6793742
2000.0000000;-0.9559613
2001.0000000;0.7488232
2002.0000000;-0.7990788
2003.0000000;-2.5719998