Year	Percent Change at Annual Rate
1960-01-01	2.015977171286170
1961-01-01	2.044676664443080
1962-01-01	2.071060840147530
1963-01-01	2.094168050710350
1964-01-01	2.113745634605040
1965-01-01	2.132156460192290
1966-01-01	2.151232122663580
1967-01-01	2.174129392518640
1968-01-01	2.203129087892010
1969-01-01	2.239659450713610
1970-01-01	2.282292549521620
1971-01-01	2.304829982463810
1972-01-01	2.325961093052880
1973-01-01	2.387117603399000
1974-01-01	2.498070990761740
1975-01-01	2.628096887247840
1976-01-01	2.750157998057240
1977-01-01	2.818970717619220
1978-01-01	2.804874003598840
1979-01-01	2.692200165374720
1980-01-01	2.507058745022730
1981-01-01	2.374809833993970
1982-01-01	2.250648604199860
1983-01-01	1.982475951001120
1984-01-01	1.537157383597410
1985-01-01	1.011109045464500
1986-01-01	0.384184364256725
1987-01-01	-0.103810197873531
1988-01-01	-0.140704083026618
1989-01-01	0.437876814770414
1990-01-01	1.429561178300820
1991-01-01	2.565907445980130
1992-01-01	3.465318122852210
1993-01-01	3.941986948667420
1994-01-01	3.886388753502450
1995-01-01	3.500389133413330
1996-01-01	3.056409608574250
1997-01-01	2.750551149762170
1998-01-01	2.573741652253480
1999-01-01	2.581178549059400
2000-01-01	2.708627783019320
2001-01-01	2.843189519095270
2002-01-01	2.920552813811590
2003-01-01	2.969830155243710
2004-01-01	2.978573326767490
2005-01-01	2.960582560533130
2006-01-01	2.940570544933130
2007-01-01	2.931096049996140
2008-01-01	2.924018153461340
2009-01-01	2.921462927413080
2010-01-01	2.921289164151230
2011-01-01	2.919629735463180
2012-01-01	2.914726127191430
2013-01-01	2.908482804349530
2014-01-01	2.900695728708480
2015-01-01	2.891416841979450
2016-01-01	2.881207724499100
2017-01-01	2.869879860181840