Annual Percent
1973-01-01 3.3879781417670600
1974-01-01 1.7970401682347700
1975-01-01 3.8421599179381300
1976-01-01 5.2283983330866200
1977-01-01 3.9088956956482400
1978-01-01 4.6871427485311200
1979-01-01 8.9764123470030000
1980-01-01 9.2858574392133900
1981-01-01 4.6614139439474900
1982-01-01 6.8358050825954400
1983-01-01 7.2798957327948900
1984-01-01 8.4678548764602400
1985-01-01 6.9423450187914200
1986-01-01 5.2916617007108900
1987-01-01 8.6743141773324600
1988-01-01 15.7235490703556000
1989-01-01 17.1491519973960000
1990-01-01 28.3695996532776000
1991-01-01 34.8175429072704000
1992-01-01 23.6557207806553000
1993-01-01 22.4642346133809000
1994-01-01 18.8680749869282000
1995-01-01 28.3054683706654000
1996-01-01 23.4690301919185000
1997-01-01 18.3050744143798000
1998-01-01 14.1537896545341000
1999-01-01 9.9977440930336400
2000-01-01 9.8036101690812700
2001-01-01 9.1168091168091300
2002-01-01 5.2654482158398600
2003-01-01 4.6610169491525600
2004-01-01 6.7443467956946300
2005-01-01 3.5615171137835500
2006-01-01 3.9303260384100000
2007-01-01 7.9587451654490900
2008-01-01 6.0425125388106000
2009-01-01 4.2117117117117200
2010-01-01 4.8555579569195100
2011-01-01 3.9299209893507500
2012-01-01 5.6521451708865100
2013-01-01 1.7331998498310700
2014-01-01 -0.2275662709883840
2015-01-01 -0.0616446800641176
2016-01-01 0.3947693066864020
2017-01-01 2.3482428115015900