1967.0000000;-1.2379069
1968.0000000;0.2458910
1969.0000000;-0.3519747
1970.0000000;-0.9506695
1971.0000000;-0.7977732
1972.0000000;-0.0928333
1973.0000000;-1.4657305
1974.0000000;-1.1961119
1975.0000000;0.0910031
1976.0000000;-1.2150173
1977.0000000;0.6057477
1978.0000000;0.5363408
1979.0000000;-0.5028707
1980.0000000;0.2156836
1981.0000000;-0.3345643
1982.0000000;-0.2552536
1983.0000000;-0.3989972
1984.0000000;0.4095178
1985.0000000;-0.6380584
1986.0000000;-1.3280511
1987.0000000;-0.5041217
1988.0000000;-0.0399608
1989.0000000;-1.6132979
1990.0000000;-1.3100226
1991.0000000;-0.8559941
1992.0000000;-0.8642956
1993.0000000;-0.6350405
1994.0000000;-0.3766494
1995.0000000;0.3299515
1996.0000000;-0.3525268
1997.0000000;-0.6013032
1998.0000000;-1.6342973
1999.0000000;-0.6161734
2000.0000000;-0.9979661
2001.0000000;0.8243154
2002.0000000;-0.8151779
2003.0000000;-2.7035799