1967.0000000;-1.5011063
1968.0000000;-0.1194317
1969.0000000;-0.3264335
1970.0000000;-1.0106764
1971.0000000;-1.2746025
1972.0000000;-0.1071608
1973.0000000;-0.6947272
1974.0000000;-1.2401280
1975.0000000;-0.3330468
1976.0000000;-0.4215266
1977.0000000;0.6686107
1978.0000000;0.3193429
1979.0000000;-1.1636629
1980.0000000;-0.2685336
1981.0000000;-0.0693576
1982.0000000;-1.1983418
1983.0000000;-0.4761866
1984.0000000;0.4638286
1985.0000000;-0.2999359
1986.0000000;-1.4034505
1987.0000000;-1.2462591
1988.0000000;-1.1424788
1989.0000000;-1.6452801
1990.0000000;-1.5784452
1991.0000000;-1.8644338
1992.0000000;-1.6435621
1993.0000000;-0.7058479
1994.0000000;-0.6540903
1995.0000000;0.0391255
1996.0000000;-1.3362334
1997.0000000;-1.2421517
1998.0000000;-2.1315024
1999.0000000;-0.7432421
2000.0000000;-1.1804631
2001.0000000;0.8005349
2002.0000000;0.1722800
2003.0000000;-2.4707334
2004.0000000;-2.0830278
2005.0000000;-2.0198948
2006.0000000;-1.6832337
2007.0000000;-1.8041625
2008.0000000;-0.9390125
2009.0000000;-1.9090339
2010.0000000;-1.2885436
2011.0000000;-2.1942892
2012.0000000;-2.1519763
2013.0000000;-1.4186203
2014.0000000;-1.3026633
2015.0000000;-1.5230176