Year	% (modeled ILO estimate)
1991	50.33663767184854
1992	50.0839753303845
1993	49.7444501960906
1994	49.38823278499061
1995	49.17467723206074
1996	49.03539058701066
1997	48.884029230798866
1998	48.64759769551485
1999	48.34599871685636
2000	48.02663109130051
2001	47.8307767578799
2002	47.57785142535561
2003	47.33820088890474
2004	47.12100368605298
2005	46.88840530821223
2006	46.537008494826715
2007	46.17081900236322
2008	45.74995947443266
2009	45.29645543917381
2010	44.86267722957353
2011	44.57899912010487
2012	43.70705500232023
2013	42.94919638542455
2014	42.505487835539896
2015	42.07405814221564
2016	41.58328462791855
2017	41.015378304951874
2018	40.521245265394356
2019	39.91601092832791
2020	39.049963486905554
2021	39.00618892292375
2022	39.094631636739294
2023	39.21986112319147