Year	Percent Change at Annual Rate
1960-01-01	2.405460096169630
1961-01-01	2.484041011564010
1962-01-01	2.550197895654260
1963-01-01	2.594441265675220
1964-01-01	2.611928122151140
1965-01-01	2.613296176990700
1966-01-01	2.606591765771250
1967-01-01	2.605438010888770
1968-01-01	2.612853633071530
1969-01-01	2.631201835468080
1970-01-01	2.658549330859860
1971-01-01	2.685702726466890
1972-01-01	2.708684824680890
1973-01-01	2.726591499553140
1974-01-01	2.738373564564820
1975-01-01	2.746870322819860
1976-01-01	2.744223545126680
1977-01-01	2.743313543906400
1978-01-01	2.760456405962140
1979-01-01	2.801222751372730
1980-01-01	2.850724552630760
1981-01-01	2.860592721475940
1982-01-01	2.841593705513660
1983-01-01	2.845234142347260
1984-01-01	2.878383112587280
1985-01-01	2.906252328580620
1986-01-01	3.004020698680800
1987-01-01	3.028561091171960
1988-01-01	2.765848545702690
1989-01-01	2.152389096881300
1990-01-01	1.343252186334470
1991-01-01	0.448226307939298
1992-01-01	-0.279064184746560
1993-01-01	-0.628376645805684
1994-01-01	-0.439939977000263
1995-01-01	0.152730079326047
1996-01-01	0.844920501088432
1997-01-01	1.432740065087970
1998-01-01	1.969283942855930
1999-01-01	2.391600003707950
2000-01-01	2.704784289610060
2001-01-01	3.028508249740480
2002-01-01	3.305107251939260
2003-01-01	3.362961110968940
2004-01-01	3.168878403361570
2005-01-01	2.820555338769430
2006-01-01	2.430313542882850
2007-01-01	2.109183076722680
2008-01-01	1.891406315457290
2009-01-01	1.819042849424050
2010-01-01	1.850515743404030
2011-01-01	1.891652283755330