Year	% (modeled ILO estimate)
1991	63.241
1992	61.33
1993	60.559
1994	61.502
1995	63.112
1996	63.365
1997	64.632
1998	67.774
1999	70.266
2000	72.087
2001	72.164
2002	70.814
2003	70.549
2004	70.741
2005	72.387
2006	73.009
2007	72.555
2008	69.503
2009	61.368
2010	58.197
2011	56.951
2012	56.604
2013	58.686
2014	60.116
2015	61.651
2016	62.799
2017	63.701
2018	64.547
2019	65.101
2020	63.592
2021	64.643
2022	67.407
2023	67.179