Annual Percent
1967-01-01 3.01694847502148
1968-01-01 4.09389143106834
1969-01-01 2.62934083658333
1970-01-01 4.65229749303156
1971-01-01 4.78411438154618
1972-01-01 6.67117766528365
1973-01-01 13.61831734583800
1974-01-01 23.55268738502770
1975-01-01 16.77357032458170
1976-01-01 9.79365327534655
1977-01-01 10.68895742077510
1978-01-01 10.30612922229660
1979-01-01 14.72217036899920
1980-01-01 17.91992414062670
1981-01-01 14.33188660093940
1982-01-01 7.81274141216488
1983-01-01 10.24366335265450
1984-01-01 11.50716950573080
1985-01-01 12.95885574361430
1986-01-01 9.76521367907860
1987-01-01 11.53753613378940
1988-01-01 8.01262890572416
1989-01-01 11.40963200657620
1990-01-01 21.50798817326790
1991-01-01 21.61574359664460
1992-01-01 10.63019968930370
1993-01-01 10.26504657917810
1994-01-01 9.70025033516308
1995-01-01 10.19320676307460
1996-01-01 7.35911744357080
1997-01-01 6.94956608534118
1998-01-01 5.11024301619077
1999-01-01 3.48672890200982
2000-01-01 4.60822998872596
2001-01-01 4.35934065217273
2002-01-01 3.75017465778467
2003-01-01 3.81110624396873
2004-01-01 4.32326492967493
2005-01-01 4.69094870903770
2006-01-01 4.25195321977968
2007-01-01 4.57808572377153
2008-01-01 8.10810810810780
2009-01-01 2.50049995050118
2010-01-01 3.43650905943355
2011-01-01 4.97773563706971
2012-01-01 3.78250023985418
2013-01-01 2.52864788538364
2014-01-01 3.22604678885414
2015-01-01 2.12849239904152
2016-01-01 1.72826463324536
2017-01-01 2.61799921819100