Year	% (modeled ILO estimate)
1991	60.411
1992	60.411
1993	60.926
1994	61.565
1995	62.116
1996	62.481
1997	63.681
1998	63.334
1999	62.719
2000	63.672
2001	63.685
2002	61.705
2003	61.573
2004	61.593
2005	62.454
2006	64.136
2007	64.069
2008	65.14
2009	63.994
2010	65.874
2011	66.23
2012	66.962
2013	66.81
2014	67.643
2015	68.454
2016	67.993
2017	67.616
2018	67.596
2019	68.262
2020	67.426
2021	67.915
2022	68.694
2023	67.04