Year	% (modeled ILO estimate)
1991	57.049
1992	56.599
1993	57.088
1994	58.757
1995	60.567
1996	61.474
1997	60.96
1998	60.019
1999	60.549
2000	61.241
2001	62.218
2002	62.998
2003	63.151
2004	64.227
2005	65.092
2006	65.558
2007	65.925
2008	65.548
2009	63.998
2010	63.511
2011	63.895
2012	63.316
2013	63.822
2014	64.96
2015	65.052
2016	66.357
2017	67.558
2018	67.823
2019	67.641
2020	67.009
2021	68.114
2022	68.961
2023	69.401