1967.0000000;-0.4984448
1968.0000000;-0.2920755
1969.0000000;-0.6477382
1970.0000000;-0.6767136
1971.0000000;-1.6026274
1972.0000000;-0.5389823
1973.0000000;-1.1180238
1974.0000000;-0.7923693
1975.0000000;-0.5235598
1976.0000000;-1.3915166
1977.0000000;0.1737878
1978.0000000;0.5748921
1979.0000000;0.0085743
1980.0000000;0.6043689
1981.0000000;0.4416380
1982.0000000;0.1915140
1983.0000000;-0.2064949
1984.0000000;0.7149476
1985.0000000;-0.1327444
1986.0000000;-1.2733214
1987.0000000;-0.1372133
1988.0000000;0.2596849
1989.0000000;-1.4143118
1990.0000000;-1.4931216
1991.0000000;-1.2687079
1992.0000000;-1.5020150
1993.0000000;-0.6946458
1994.0000000;-0.7397590
1995.0000000;0.7051118
1996.0000000;-0.4058939
1997.0000000;-0.8965711
1998.0000000;-1.7060994
1999.0000000;-0.8500221
2000.0000000;-0.9829109
2001.0000000;0.3694686
2002.0000000;-1.4743289
2003.0000000;-2.8823133