1967.0000000;-1.2320722
1968.0000000;-0.3563086
1969.0000000;-0.3266499
1970.0000000;-1.1564914
1971.0000000;-1.3203999
1972.0000000;-0.3904534
1973.0000000;-1.2548141
1974.0000000;-1.2514559
1975.0000000;-0.2148555
1976.0000000;-0.8795604
1977.0000000;0.5051105
1978.0000000;0.4249408
1979.0000000;-0.8871498
1980.0000000;0.2665315
1981.0000000;-0.2130410
1982.0000000;-0.6269723
1983.0000000;-0.6994753
1984.0000000;0.5658394
1985.0000000;-0.1873891
1986.0000000;-1.3635362
1987.0000000;-0.9902953
1988.0000000;-0.8167775
1989.0000000;-1.5713552
1990.0000000;-1.6612804
1991.0000000;-1.7277360
1992.0000000;-1.7406428
1993.0000000;-0.9400191
1994.0000000;-0.6992122
1995.0000000;0.2922881
1996.0000000;-0.4614837
1997.0000000;-0.9704271
1998.0000000;-1.8574071
1999.0000000;-1.0145419
2000.0000000;-1.3850758
2001.0000000;0.6239867
2002.0000000;-0.3521566
2003.0000000;-2.3367109