1967.0000000;-1.5861026
1968.0000000;-0.6173171
1969.0000000;-0.3122586
1970.0000000;-1.5124884
1971.0000000;-1.4103419
1972.0000000;-0.5230612
1973.0000000;-1.9560933
1974.0000000;-1.2739979
1975.0000000;-0.0239475
1976.0000000;-1.0691497
1977.0000000;0.6215415
1978.0000000;0.5327371
1979.0000000;-1.0538788
1980.0000000;0.3703486
1981.0000000;-0.0349164
1982.0000000;-0.5315161
1983.0000000;-0.9118510
1984.0000000;0.4628701
1985.0000000;-0.7550786
1986.0000000;-1.5454206
1987.0000000;-1.3449906
1988.0000000;-0.8338202
1989.0000000;-1.7436169
1990.0000000;-1.8791140
1991.0000000;-1.8680288
1992.0000000;-2.1949306
1993.0000000;-0.8046193
1994.0000000;-0.8265367
1995.0000000;0.4160619
1996.0000000;-0.6888775
1997.0000000;-1.1183586
1998.0000000;-2.1318505
1999.0000000;-1.0189807
2000.0000000;-1.5358062
2001.0000000;0.7499955
2002.0000000;-0.6147385
2003.0000000;-2.7427101