1967.0000000;-1.1102676
1968.0000000;-0.1964856
1969.0000000;-0.1702206
1970.0000000;-1.0330479
1971.0000000;-1.0321786
1972.0000000;-0.4241994
1973.0000000;-1.1359681
1974.0000000;-1.1327562
1975.0000000;-0.0997565
1976.0000000;-0.7214759
1977.0000000;0.4500635
1978.0000000;0.4604334
1979.0000000;-0.5267090
1980.0000000;0.3127033
1981.0000000;-0.1174354
1982.0000000;-0.4766021
1983.0000000;-0.5333323
1984.0000000;0.6485385
1985.0000000;0.1997703
1986.0000000;-1.2738475
1987.0000000;-0.6701242
1988.0000000;-0.5984689
1989.0000000;-1.4989848
1990.0000000;-1.6367086
1991.0000000;-1.6240114
1992.0000000;-1.7281160
1993.0000000;-0.7744043
1994.0000000;-0.5139186
1995.0000000;0.3876843
1996.0000000;-0.3252376
1997.0000000;-0.9050728
1998.0000000;-1.7305608
1999.0000000;-0.8565415
2000.0000000;-1.1694486
2001.0000000;0.6777258
2002.0000000;-0.2611374
2003.0000000;-2.2721221