1967.0000000;-1.8425974
1968.0000000;-0.5845864
1969.0000000;-1.6833929
1970.0000000;-1.4211267
1971.0000000;-1.7262694
1972.0000000;-0.3028820
1973.0000000;-2.0608287
1974.0000000;-1.4896111
1975.0000000;-0.2515557
1976.0000000;-1.6298113
1977.0000000;0.1152937
1978.0000000;0.0495843
1979.0000000;-1.3968122
1980.0000000;-0.1351882
1981.0000000;-1.0452037
1982.0000000;-1.3839045
1983.0000000;-0.8687469
1984.0000000;0.7221383
1985.0000000;-0.9415352
1986.0000000;-1.7054176
1987.0000000;-1.1356384
1988.0000000;-0.3905078
1989.0000000;-1.6537852
1990.0000000;-1.7291722
1991.0000000;-1.6367708
1992.0000000;-1.5263751
1993.0000000;-0.8846557
1994.0000000;-0.9924489
1995.0000000;0.1333146
1996.0000000;-1.4726957
1997.0000000;-1.6935556
1998.0000000;-2.0276058
1999.0000000;-0.9876490
2000.0000000;-1.3520447
2001.0000000;0.5259537
2002.0000000;-1.3047531
2003.0000000;-3.0182095