1967.0000000;-0.4314153
1968.0000000;-0.5637874
1969.0000000;-0.8998270
1970.0000000;-0.6979012
1971.0000000;-1.7023468
1972.0000000;-0.7126954
1973.0000000;-1.2416134
1974.0000000;-1.0172889
1975.0000000;-0.3549436
1976.0000000;-1.6323295
1977.0000000;0.4113844
1978.0000000;0.8193415
1979.0000000;0.0438972
1980.0000000;0.7973701
1981.0000000;0.4252893
1982.0000000;0.1084085
1983.0000000;-0.0942272
1984.0000000;0.5246515
1985.0000000;-0.4188964
1986.0000000;-1.7930496
1987.0000000;0.2400500
1988.0000000;0.0101326
1989.0000000;-1.9000475
1990.0000000;-1.8522528
1991.0000000;-0.8131043
1992.0000000;-1.0752375
1993.0000000;-0.6374238
1994.0000000;-0.4971535
1995.0000000;0.9894297
1996.0000000;-0.2761152
1997.0000000;-0.8511442
1998.0000000;-1.6569421
1999.0000000;-0.9448843
2000.0000000;-1.0960096
2001.0000000;0.1684853
2002.0000000;-1.8728769
2003.0000000;-3.7240386