Year	% (modeled ILO estimate)
1991	62.49193548387096
1992	63.802941412842564
1993	65.20618900770289
1994	66.17190518700119
1995	65.38230303678073
1996	66.30039072397284
1997	67.7359744748737
1998	68.353522473701
1999	67.49167443719195
2000	67.19102322912914
2001	66.14657273725659
2002	63.66324202454402
2003	65.28874480420774
2004	66.96336412016247
2005	65.79730345511567
2006	66.73778565006778
2007	66.08598110632087
2008	65.43278786723664
2009	66.47228731810996
2010	65.04596164861842
2011	64.81171095671921
2012	65.5911336772855
2013	65.39401092416216
2014	65.85257487191592
2015	66.45313789389765
2016	67.0677751162463
2017	67.69591141396934
2018	69.73659948085842
2019	70.43879907621248
2020	70.51812764408861
2021	70.94803380695046
2022	70.94302415663074
2023	71.48984039935317