Year	Percent
1960-01-01	5.3732900000000000
1961-01-01	6.2900500000000000
1962-01-01	7.8080000000000000
1963-01-01	6.8726899999999995
1964-01-01	5.3826800000000010
1965-01-01	6.5200500000000000
1966-01-01	8.5682200000000000
1967-01-01	11.7963000000000000
1968-01-01	16.2421000000000000
1969-01-01	21.2969999999999970
1970-01-01	24.5611000000000000
1971-01-01	25.3809000000000000
1972-01-01	26.8042000000000000
1973-01-01	26.2489000000000000
1974-01-01	24.6579000000000000
1975-01-01	22.8929000000000000
1976-01-01	21.6048000000000000
1977-01-01	23.0140000000000000
1978-01-01	23.2500000000000000
1979-01-01	23.2242000000000000
1980-01-01	24.5971000000000000
1981-01-01	25.1100000000000000
1982-01-01	27.4295000000000000
1983-01-01	27.9007000000000000
1984-01-01	26.9645000000000000
1985-01-01	27.0210000000000000
1986-01-01	27.5384000000000000
1987-01-01	27.6089000000000000
1988-01-01	27.9005000000000000
1989-01-01	29.6371000000000000
1990-01-01	29.4661000000000000
1991-01-01	29.3177000000000000
1992-01-01	30.3142000000000000
1993-01-01	30.6153000000000000
1994-01-01	30.5468000000000000
1995-01-01	30.4052000000000000
1996-01-01	31.5950000000000000
1997-01-01	32.9095000000000000
1998-01-01	41.8611000000000000
1999-01-01	48.0224000000000000
2000-01-01	55.5308000000000000
2001-01-01	62.0450000000000000
2002-01-01	62.5134000000000000
2003-01-01	63.9517000000000000
2004-01-01	61.1687000000000000
2005-01-01	58.8198000000000000
2006-01-01	57.9889000000000000
2007-01-01	54.9030000000000000
2008-01-01	56.4144000000000000
2009-01-01	61.0778000000000000
2010-01-01	62.8389000000000000
2011-01-01	67.2627000000000000
2012-01-01	68.7760000000000100
2013-01-01	95.9803000000000000
2014-01-01	124.0240000000000000
2015-01-01	127.4440000000000000
2016-01-01	130.2879999999999800