1967.0000000;-0.7576002
1968.0000000;0.3566953
1969.0000000;0.0678158
1970.0000000;-0.4912597
1971.0000000;-0.2633321
1972.0000000;0.0919605
1973.0000000;-0.8243273
1974.0000000;-0.7273226
1975.0000000;0.2047183
1976.0000000;-0.5914179
1977.0000000;0.6781414
1978.0000000;0.6511854
1979.0000000;-0.0174538
1980.0000000;0.3283229
1981.0000000;0.0439274
1982.0000000;-0.0595817
1983.0000000;-0.2593627
1984.0000000;0.3668750
1985.0000000;-0.3858414
1986.0000000;-1.1549368
1987.0000000;-0.2462286
1988.0000000;0.2235212
1989.0000000;-1.5476249
1990.0000000;-0.8824719
1991.0000000;-0.5297638
1992.0000000;-0.4894338
1993.0000000;-0.4650953
1994.0000000;-0.1085325
1995.0000000;0.4741864
1996.0000000;0.1074514
1997.0000000;-0.2109264
1998.0000000;-1.1819606
1999.0000000;-0.3960752
2000.0000000;-0.6708108
2001.0000000;0.9019516
2002.0000000;-0.2015713
2003.0000000;-2.2662249