Year	% (modeled ILO estimate)
1991	60.6297814034331
1992	59.27486488563306
1993	59.503361194182446
1994	60.7627500160782
1995	62.09618400418191
1996	62.91664472644937
1997	63.347312338450166
1998	64.26213925487815
1999	65.62121904659479
2000	67.05342465753425
2001	69.45785776997366
2002	71.64523073526166
2003	71.69486106670743
2004	72.30698362623711
2005	73.05884009009009
2006	74.19336642599278
2007	75.34367189275166
2008	76.24384713631731
2009	76.67108447620146
2010	75.7706292072485
2011	77.40048550788218
2012	77.92256956072276
2013	78.74262750086734
2014	79.25296126734975
2015	79.5299623562926
2016	79.88245074161041
2017	80.69006909474177
2018	80.5042727564383
2019	81.51210693221897
2020	81.92136442532639
2021	82.41749878226986
2022	81.76546092819696
2023	81.8120710947148