1967.0000000;-0.7339792
1968.0000000;0.2989213
1969.0000000;-0.1436591
1970.0000000;-0.5158284
1971.0000000;-0.7101261
1972.0000000;-0.1056602
1973.0000000;-1.1768987
1974.0000000;-0.9540945
1975.0000000;0.1093818
1976.0000000;-1.0610105
1977.0000000;0.5832909
1978.0000000;0.6367289
1979.0000000;-0.2192554
1980.0000000;0.4270847
1981.0000000;0.0323338
1982.0000000;-0.1132580
1983.0000000;-0.2766131
1984.0000000;0.5240101
1985.0000000;-0.5229023
1986.0000000;-1.2530708
1987.0000000;-0.3960722
1988.0000000;0.1470044
1989.0000000;-1.5624428
1990.0000000;-1.1958771
1991.0000000;-0.8311604
1992.0000000;-0.6593801
1993.0000000;-0.5769413
1994.0000000;-0.2384775
1995.0000000;0.4600341
1996.0000000;-0.0617817
1997.0000000;-0.3438781
1998.0000000;-1.4952152
1999.0000000;-0.6975415
2000.0000000;-0.8133556
2001.0000000;0.6397536
2002.0000000;-0.7512789
2003.0000000;-2.4878888