Year Percent of Working-Age Population 1990-01-01 4.32291015260586 1991-01-01 4.32110874618697 1992-01-01 4.31348781178872 1993-01-01 4.30725086046320 1994-01-01 4.31127666291487 1995-01-01 4.32988710168064 1996-01-01 4.36014078738625 1997-01-01 4.39683788542955 1998-01-01 4.44113048812294 1999-01-01 4.49343214823367 2000-01-01 4.55445395174934 2001-01-01 4.62702774503130 2002-01-01 4.69636814711068 2003-01-01 4.75806597086802 2004-01-01 4.80605147285033 2005-01-01 4.83828225526336 2006-01-01 4.87509214605436 2007-01-01 4.89716318168305 2008-01-01 4.91395380964133 2009-01-01 4.93706410540731 2010-01-01 4.97173450035912 2011-01-01 5.01953039583290 2012-01-01 5.07428336459398 2013-01-01 5.13098680209545 2014-01-01 5.18270273117803 2015-01-01 5.22691970765784 2016-01-01 5.26668188740192 2017-01-01 5.30311879018825