Year	% (modeled ILO estimate)
1991	50.188
1992	50.222
1993	50.346
1994	50.141
1995	50.453
1996	50.67
1997	51.217
1998	51.329
1999	51.355
2000	51.039
2001	51.164
2002	51.041
2003	50.692
2004	50.298
2005	50.06
2006	49.967
2007	49.891
2008	49.689
2009	49.148
2010	48.592
2011	48.192
2012	47.549
2013	47.488
2014	47.175
2015	46.639
2016	45.533
2017	44.94
2018	44.857
2019	44.924
2020	43.127
2021	43.513
2022	45.661
2023	46.563