Year	Percent of People Ages 15 and Above
1988-01-01	97.68678
1989-01-01	97.74110
1990-01-01	97.79302
1991-01-01	97.84146
1993-01-01	97.93160
1994-01-01	97.97699
1995-01-01	98.07452
1996-01-01	98.17098
1997-01-01	98.26261
1998-01-01	98.37630
1999-01-01	98.44225
2000-01-01	98.53034
2001-01-01	98.61364
2002-01-01	98.66837
2003-01-01	98.74722
2004-01-01	98.79398
2005-01-01	98.78767
2006-01-01	98.86331
2007-01-01	98.85320
2008-01-01	98.87294
2009-01-01	98.88927
2010-01-01	98.91522
2011-01-01	99.00245
2012-01-01	99.03498
2013-01-01	99.06807
2014-01-01	99.08536
2015-01-01	99.10534
2016-01-01	99.12999