Year	Percent Change at Annual Rate
1960-01-01	1.945067104691340
1961-01-01	1.904151760964030
1962-01-01	1.883880747672340
1963-01-01	1.925483819138770
1964-01-01	2.044533481553250
1965-01-01	2.201432859838300
1966-01-01	2.402677515981690
1967-01-01	2.546034920023800
1968-01-01	2.510262711921940
1969-01-01	2.251739669751390
1970-01-01	1.865094293111570
1971-01-01	1.430422937314860
1972-01-01	1.096722531960620
1973-01-01	0.967162921974238
1974-01-01	1.114214171906830
1975-01-01	1.451559825401820
1976-01-01	1.839576710028370
1977-01-01	2.156850842608250
1978-01-01	2.393765359238890
1979-01-01	2.511574442467920
1980-01-01	2.546395471555020
1981-01-01	2.551165863249100
1982-01-01	2.575727197550660
1983-01-01	2.626899005498590
1984-01-01	2.717766567743720
1985-01-01	2.820610830139800
1986-01-01	2.923602897102410
1987-01-01	2.974408382167730
1988-01-01	2.928389998052430
1989-01-01	2.766464378961500
1990-01-01	2.531887331978910
1991-01-01	2.311459105427020
1992-01-01	2.126100118236550
1993-01-01	1.928923014924920
1994-01-01	1.721402241147540
1995-01-01	1.528736220812710
1996-01-01	1.317237747390470
1997-01-01	1.168182119556770
1998-01-01	1.207565317032660
1999-01-01	1.485560109712670
2000-01-01	1.920712035706260
2001-01-01	2.394628078234150
2002-01-01	2.793810958650300
2003-01-01	3.089678581188820
2004-01-01	3.245121674851550
2005-01-01	3.298153071257900
2006-01-01	3.339011116803970
2007-01-01	3.384716388388970
2008-01-01	3.376915124052890
2009-01-01	3.314621281789050
2010-01-01	3.221182855346500
2011-01-01	3.106046414100920
2012-01-01	3.008436010526260
2013-01-01	2.965096095253520
2014-01-01	2.992264687154510
2015-01-01	3.061102894397540
2016-01-01	3.135333146046800
2017-01-01	3.180764154636390