Year % of total population ages 15-64 (modeled ILO estimate) 1991 38.641 1992 38.527 1993 38.303 1994 38.098 1995 37.955 1996 37.746 1997 37.606 1998 37.493 1999 37.347 2000 37.13 2001 36.99 2002 36.787 2003 36.554 2004 36.323 2005 36.094 2006 35.711 2007 35.332 2008 34.965 2009 34.617 2010 34.31 2011 34.159 2012 34.044 2013 33.953 2014 33.862 2015 33.753 2016 33.696 2017 33.59 2018 33.483 2019 33.389 2020 32.753 2021 32.781 2022 33.45