Year	% (modeled ILO estimate)
1991	40.86465946999303
1992	40.75038757946678
1993	40.47577190457334
1994	40.48725027516128
1995	39.98894216848427
1996	40.22143374309333
1997	40.262399431354815
1998	40.05372294903362
1999	40.28054627181542
2000	39.72542902960514
2001	39.293200249269745
2002	38.73691463773045
2003	39.045059696531354
2004	39.78623341266111
2005	39.852268673561724
2006	40.09833335840553
2007	40.22072737890975
2008	39.63054269387228
2009	39.730495927979156
2010	39.708215675753486
2011	38.87373340521318
2012	38.38940954109206
2013	38.556852164183056
2014	38.15463642118536
2015	37.76978180671864
2016	37.880597964009496
2017	37.48779138202183
2018	37.36138608257504
2019	37.36713945805345
2020	35.63455258393855
2021	36.08410992477313
2022	37.39066839168804
2023	37.67569233825087