1967.0000000;-1.4826994
1968.0000000;-0.7243311
1969.0000000;-1.2413359
1970.0000000;-0.8008690
1971.0000000;-1.6422391
1972.0000000;-0.7306961
1973.0000000;-1.5566850
1974.0000000;-1.0449214
1975.0000000;-0.8194041
1976.0000000;-1.4592953
1977.0000000;-0.4477989
1978.0000000;-0.0477853
1979.0000000;-0.7090696
1980.0000000;-0.1707422
1981.0000000;-0.2205318
1982.0000000;-0.3486273
1983.0000000;-0.3762753
1984.0000000;0.9856853
1985.0000000;0.5374260
1986.0000000;-1.4090837
1987.0000000;-0.4080918
1988.0000000;-0.0539345
1989.0000000;-1.4416857
1990.0000000;-1.5912906
1991.0000000;-1.6746067
1992.0000000;-1.6346154
1993.0000000;-0.7329650
1994.0000000;-0.4429489
1995.0000000;0.6247002
1996.0000000;-0.1261864
1997.0000000;-0.8440266
1998.0000000;-1.5909719
1999.0000000;-0.8602446
2000.0000000;-1.0711970
2001.0000000;0.7550466
2002.0000000;-0.5508702
2003.0000000;-2.2729168