1967.0000000;-1.4211559
1968.0000000;-0.0482436
1969.0000000;-0.2716907
1970.0000000;-1.1610203
1971.0000000;-1.3121264
1972.0000000;-0.2554560
1973.0000000;-1.3448207
1974.0000000;-1.2294207
1975.0000000;-0.1430306
1976.0000000;-0.5159238
1977.0000000;0.5426873
1978.0000000;0.4273623
1979.0000000;-1.1123146
1980.0000000;0.1683000
1981.0000000;-0.2362132
1982.0000000;-0.8829609
1983.0000000;-0.8512828
1984.0000000;0.6514302
1985.0000000;-0.3628131
1986.0000000;-1.4115778
1987.0000000;-1.0954602
1988.0000000;-0.5854146
1989.0000000;-1.6508987
1990.0000000;-1.6722224
1991.0000000;-1.8207934
1992.0000000;-1.7969487
1993.0000000;-0.9573623
1994.0000000;-0.7845572
1995.0000000;0.4119545
1996.0000000;-0.5585569
1997.0000000;-1.0808010
1998.0000000;-1.9403439
1999.0000000;-0.9585796
2000.0000000;-1.4156730
2001.0000000;0.7098701
2002.0000000;-0.2241669
2003.0000000;-2.5603533