1967.0000000;-0.9655439
1968.0000000;0.0360616
1969.0000000;-0.9008269
1970.0000000;-0.7312871
1971.0000000;-1.0129838
1972.0000000;-0.1753325
1973.0000000;-1.6107243
1974.0000000;-0.9476317
1975.0000000;-0.0213189
1976.0000000;-1.1932712
1977.0000000;0.0036759
1978.0000000;0.1702192
1979.0000000;-0.7642913
1980.0000000;-0.0055138
1981.0000000;-0.5231548
1982.0000000;-0.7410342
1983.0000000;-0.2851468
1984.0000000;0.8581131
1985.0000000;-0.1512897
1986.0000000;-1.4283888
1987.0000000;-0.2515916
1988.0000000;0.0393523
1989.0000000;-1.2998738
1990.0000000;-1.1439619
1991.0000000;-1.0771070
1992.0000000;-1.0833263
1993.0000000;-0.6520179
1994.0000000;-0.5180140
1995.0000000;0.6012448
1996.0000000;-0.6165680
1997.0000000;-1.1404643
1998.0000000;-1.6181272
1999.0000000;-0.7673905
2000.0000000;-1.1293166
2001.0000000;0.7160701
2002.0000000;-0.6607745
2003.0000000;-2.7848668