1967.0000000;-0.7423712
1968.0000000;0.7158626
1969.0000000;-0.1968379
1970.0000000;-0.1314094
1971.0000000;-0.8829832
1972.0000000;-0.1386758
1973.0000000;-0.1800170
1974.0000000;-0.2570478
1975.0000000;-0.6113584
1976.0000000;-0.9566640
1977.0000000;0.1184237
1978.0000000;0.3126580
1979.0000000;0.1429464
1980.0000000;0.1735699
1981.0000000;0.2050196
1982.0000000;0.0346407
1983.0000000;-0.2215793
1984.0000000;1.1239299
1985.0000000;0.5443573
1986.0000000;-0.9076552
1987.0000000;-0.1632660
1988.0000000;0.1441472
1989.0000000;-1.1937971
1990.0000000;-0.8004594
1991.0000000;-1.1319442
1992.0000000;-1.0741103
1993.0000000;-0.6933506
1994.0000000;-0.3783792
1995.0000000;0.6331724
1996.0000000;0.0952670
1997.0000000;-0.5569788
1998.0000000;-1.5332932
1999.0000000;-0.5484689
2000.0000000;-0.7639159
2001.0000000;0.8479410
2002.0000000;0.1293756
2003.0000000;-1.8946996