1967.0000000;-0.9524921
1968.0000000;0.4694975
1969.0000000;-0.3176991
1970.0000000;-0.1513066
1971.0000000;-0.9640758
1972.0000000;-0.2928232
1973.0000000;-0.4094120
1974.0000000;-0.4269205
1975.0000000;-0.1181908
1976.0000000;-0.9773116
1977.0000000;0.3790337
1978.0000000;0.5839409
1979.0000000;0.2681147
1980.0000000;0.4577394
1981.0000000;0.2278492
1982.0000000;0.3450526
1983.0000000;-0.0631249
1984.0000000;0.9832326
1985.0000000;0.5048150
1986.0000000;-0.6529493
1987.0000000;0.1493423
1988.0000000;0.4682297
1989.0000000;-1.3047256
1990.0000000;-1.0414741
1991.0000000;-1.4945610
1992.0000000;-0.7403573
1993.0000000;-0.4024501
1994.0000000;-0.0739960
1995.0000000;0.7987336
1996.0000000;0.0862607
1997.0000000;-0.4519111
1998.0000000;-1.5291024
1999.0000000;-0.5189529
2000.0000000;-0.3834243
2001.0000000;0.6979807
2002.0000000;-0.0649087
2003.0000000;-1.9393933