1967.0000000;-1.0792654
1968.0000000;0.1425501
1969.0000000;-0.6154559
1970.0000000;-0.9894822
1971.0000000;-1.0985560
1972.0000000;-0.1321046
1973.0000000;-1.7130537
1974.0000000;-1.1359009
1975.0000000;-0.0187068
1976.0000000;-1.3189118
1977.0000000;0.6045959
1978.0000000;0.4572302
1979.0000000;-0.5075629
1980.0000000;0.1917636
1981.0000000;-0.2697453
1982.0000000;-0.2962900
1983.0000000;-0.3275142
1984.0000000;0.3665485
1985.0000000;-0.5755562
1986.0000000;-1.3923943
1987.0000000;-0.5550997
1988.0000000;-0.1309778
1989.0000000;-1.6234457
1990.0000000;-1.2729579
1991.0000000;-0.8409176
1992.0000000;-1.0322140
1993.0000000;-0.6055197
1994.0000000;-0.2873253
1995.0000000;0.3262058
1996.0000000;-0.2811163
1997.0000000;-0.5344835
1998.0000000;-1.6583645
1999.0000000;-0.7019824
2000.0000000;-0.9544957
2001.0000000;0.9296486
2002.0000000;-0.9641994
2003.0000000;-2.7161317