1967.0000000;-0.4120166
1968.0000000;-0.5830470
1969.0000000;-0.7211195
1970.0000000;-0.4984401
1971.0000000;-1.6111382
1972.0000000;-0.4759950
1973.0000000;-1.0379360
1974.0000000;-0.7164232
1975.0000000;-0.4370739
1976.0000000;-1.3688030
1977.0000000;0.2332360
1978.0000000;0.7469980
1979.0000000;0.1206831
1980.0000000;0.5938810
1981.0000000;0.3695967
1982.0000000;0.1563509
1983.0000000;-0.1326374
1984.0000000;0.3391859
1985.0000000;-0.4306943
1986.0000000;-1.5223105
1987.0000000;0.1267817
1988.0000000;-0.0360155
1989.0000000;-1.7678096
1990.0000000;-1.5714612
1991.0000000;-0.7043843
1992.0000000;-0.9498600
1993.0000000;-0.6086594
1994.0000000;-0.4180387
1995.0000000;0.5835264
1996.0000000;-0.3137851
1997.0000000;-0.9944848
1998.0000000;-1.6378398
1999.0000000;-1.1776733
2000.0000000;-1.7612877
2001.0000000;-0.3433547
2002.0000000;-1.5901046
2003.0000000;-3.6894739