1967.0000000;-1.1331073
1968.0000000;0.0343388
1969.0000000;-0.8126185
1970.0000000;-0.5364770
1971.0000000;-1.4784776
1972.0000000;-0.5752679
1973.0000000;-0.9979590
1974.0000000;-0.9441001
1975.0000000;-0.6318243
1976.0000000;-1.4343581
1977.0000000;-0.4461460
1978.0000000;0.2678353
1979.0000000;-0.4213020
1980.0000000;0.1698238
1981.0000000;0.0136715
1982.0000000;-0.1464916
1983.0000000;-0.3141484
1984.0000000;1.1415358
1985.0000000;0.5636529
1986.0000000;-1.2805119
1987.0000000;-0.2885281
1988.0000000;0.2434819
1989.0000000;-1.3527533
1990.0000000;-1.5633460
1991.0000000;-1.5937262
1992.0000000;-1.4970069
1993.0000000;-0.6958112
1994.0000000;-0.4291296
1995.0000000;0.7377667
1996.0000000;-0.1768997
1997.0000000;-0.8375109
1998.0000000;-1.6187940
1999.0000000;-0.7740530
2000.0000000;-0.8897885
2001.0000000;0.7078290
2002.0000000;-0.5788153
2003.0000000;-2.2807016