Year	% (modeled ILO estimate)
1991	46.49211897165291
1992	45.67027462198706
1993	44.49524366698046
1994	44.352643659210095
1995	43.854494451726524
1996	43.42797863392399
1997	43.46871107283757
1998	43.65601444674719
1999	43.482918769557436
2000	43.6530185942651
2001	43.223778094116476
2002	42.20869864952729
2003	41.40565515752953
2004	41.082381741466165
2005	41.30182930766317
2006	41.6414960887166
2007	41.60895587600605
2008	41.03004813171991
2009	38.56885630453783
2010	37.95958152483148
2011	38.17045590087672
2012	38.07544782060614
2013	38.22798286290187
2014	38.657008472065385
2015	39.19687249384678
2016	39.64158745874693
2017	40.10113772467254
2018	40.557683356661435
2019	40.851494613135806
2020	37.386292577347426
2021	39.76488743611247
2022	41.21031419668188
2023	41.86108829556313