1967.0000000;-0.7093504
1968.0000000;0.1864330
1969.0000000;-0.5021985
1970.0000000;-0.8385139
1971.0000000;-0.5034081
1972.0000000;-0.1822420
1973.0000000;-1.4411608
1974.0000000;-0.7692177
1975.0000000;-0.6359123
1976.0000000;-0.9635452
1977.0000000;0.5354552
1978.0000000;0.4058670
1979.0000000;0.1810581
1980.0000000;0.1858769
1981.0000000;-0.3976524
1982.0000000;-0.2433892
1983.0000000;-0.2512378
1984.0000000;0.0945290
1985.0000000;-0.5055597
1986.0000000;-1.3671806
1987.0000000;-1.0026679
1988.0000000;-0.4198027
1989.0000000;-1.2814370
1990.0000000;-1.0826313
1991.0000000;-0.7215410
1992.0000000;-0.6941177
1993.0000000;-0.6711192
1994.0000000;-0.4843116
1995.0000000;0.1157495
1996.0000000;0.0560295
1997.0000000;-0.5566534
1998.0000000;-1.6318318
1999.0000000;-0.9932498
2000.0000000;-0.9404737
2001.0000000;0.1554054
2002.0000000;-1.3990715
2003.0000000;-2.8432331