1967.0000000;-0.7243935
1968.0000000;-1.4504906
1969.0000000;-1.7745130
1970.0000000;-1.1856577
1971.0000000;-2.0910537
1972.0000000;-0.9011842
1973.0000000;-1.9094217
1974.0000000;-1.3870668
1975.0000000;-0.8759383
1976.0000000;-1.7779536
1977.0000000;0.2877229
1978.0000000;0.5109059
1979.0000000;-0.2431981
1980.0000000;0.6010032
1981.0000000;0.0271988
1982.0000000;-0.1865461
1983.0000000;-0.1263617
1984.0000000;0.3746575
1985.0000000;-0.8113010
1986.0000000;-1.9556731
1987.0000000;0.0918924
1988.0000000;-0.0874786
1989.0000000;-2.0778790
1990.0000000;-1.9823254
1991.0000000;-0.9430439
1992.0000000;-1.4490330
1993.0000000;-0.6767865
1994.0000000;-0.5442279
1995.0000000;0.8039144
1996.0000000;-0.3606175
1997.0000000;-0.9234676
1998.0000000;-1.7562757
1999.0000000;-1.0875373
2000.0000000;-1.5314658
2001.0000000;0.3487988
2002.0000000;-1.9679792
2003.0000000;-3.7111287