Year	% (modeled ILO estimate)
1991	16.88402919886381
1992	17.348047432793194
1993	17.554722382115468
1994	17.805079592759476
1995	18.139462163852407
1996	18.139121208338533
1997	18.22461226716546
1998	18.33701640262691
1999	18.463691494324365
2000	18.6084142394822
2001	17.862796420231025
2002	19.158856120966327
2003	17.72188774519324
2004	17.941906057453792
2005	18.16814439518683
2006	18.8589898989899
2007	22.82603550295858
2008	22.187435763641826
2009	22.993186623854648
2010	23.149621332654494
2011	23.40772296719433
2012	23.001023001023
2013	21.85496221747253
2014	21.106486895508013
2015	22.92860160540769
2016	24.881555842692908
2017	26.965049522663325
2018	23.828933852901375
2019	21.86628633697638
2020	23.846534416444566
2021	22.746725033484694
2022	21.74030902683654
2023	22.381020665041508