Year	Percent
1965-01-01	11.424999999667800
1966-01-01	12.242913768340900
1967-01-01	7.296108742308900
1968-01-01	0.391231447309209
1969-01-01	9.785970555473850
1970-01-01	-5.296371422047030
1971-01-01	-3.103849408108510
1972-01-01	-0.251023192089041
1973-01-01	7.970895563186020
1974-01-01	7.458451560828910
1975-01-01	9.119200301456440
1976-01-01	5.479215279688460
1977-01-01	6.280213027509070
1978-01-01	29.379794164169800
1979-01-01	-6.039028750170940
1980-01-01	9.734288794713920
1981-01-01	11.199722607489400
1982-01-01	10.258808855628400
1983-01-01	10.605203619909600
1984-01-01	12.477627205318200
1985-01-01	9.138440554671550
1986-01-01	3.290981045615600
1987-01-01	4.355716878402860
1988-01-01	6.086956521739090
1989-01-01	1.511839708560930
1990-01-01	8.451462408038840
1991-01-01	11.896095301125100
1992-01-01	9.359751589531370
1993-01-01	11.073553272038900
1994-01-01	5.112598904443160
1995-01-01	7.237984944991300
1996-01-01	4.028077753779610
1997-01-01	3.550295857988250
1998-01-01	3.709273182957340
1999-01-01	2.648622522958200
2000-01-01	-2.900000000000240
2001-01-01	-8.813937521455460
2002-01-01	-9.797647058823580
2003-01-01	-2.191151919866430
2004-01-01	-2.197567740559000
2005-01-01	2.650205761316580
2006-01-01	1.459268762027240
2007-01-01	6.250987829935540
2008-01-01	10.360728895499800
2009-01-01	2.459900256099540
2010-01-01	2.799895001092650
2011-01-01	15.518481531756200
2012-01-01	6.059803921568610
2013-01-01	2.605818027195180