1967.0000000;-0.1348528
1968.0000000;-0.0002915
1969.0000000;-0.2955312
1970.0000000;-0.3223788
1971.0000000;-0.8269840
1972.0000000;-0.2375238
1973.0000000;-0.7436554
1974.0000000;-0.4468026
1975.0000000;-0.1418979
1976.0000000;-0.7300121
1977.0000000;0.7421108
1978.0000000;0.9243608
1979.0000000;0.4767556
1980.0000000;0.8148642
1981.0000000;0.4509106
1982.0000000;0.2897339
1983.0000000;0.0566658
1984.0000000;0.5718837
1985.0000000;0.0518003
1986.0000000;-1.1055281
1987.0000000;0.3098355
1988.0000000;0.4545897
1989.0000000;-1.5321633
1990.0000000;-1.2126400
1991.0000000;-0.2867668
1992.0000000;-0.5337498
1993.0000000;-0.3344461
1994.0000000;-0.1613068
1995.0000000;0.9570579
1996.0000000;-0.0517229
1997.0000000;-0.5207028
1998.0000000;-1.3635449
1999.0000000;-0.8680202
2000.0000000;-0.9895157
2001.0000000;0.4953785
2002.0000000;-1.4793975
2003.0000000;-3.5196640