1967.0000000;-1.0079924
1968.0000000;0.9364265
1969.0000000;0.0565689
1970.0000000;-0.2901616
1971.0000000;0.0400048
1972.0000000;0.2393331
1973.0000000;-0.1706134
1974.0000000;-0.5418778
1975.0000000;0.0082664
1976.0000000;-0.6589150
1977.0000000;0.8652644
1978.0000000;0.4544660
1979.0000000;0.0148702
1980.0000000;-0.2226194
1981.0000000;-0.3933148
1982.0000000;-0.4818499
1983.0000000;0.0060608
1984.0000000;0.3317508
1985.0000000;-0.5325390
1986.0000000;-1.2312529
1987.0000000;-0.1101935
1988.0000000;-0.4740835
1989.0000000;-1.6938782
1990.0000000;0.0899158
1991.0000000;-0.7349668
1992.0000000;-0.3000896
1993.0000000;-0.3900942
1994.0000000;-0.2985746
1995.0000000;0.4224552
1996.0000000;0.2673512
1997.0000000;0.1287696
1998.0000000;-1.2999917
1999.0000000;-0.6892464
2000.0000000;-1.0551084
2001.0000000;0.6563618
2002.0000000;-0.0621735
2003.0000000;-1.4679472