Year	% (modeled ILO estimate)
1991	43.20455057418523
1992	42.240213490587216
1993	39.80053810856767
1994	38.67880938878637
1995	37.65165671324452
1996	36.50447100674586
1997	35.38587551357016
1998	34.911654164008446
1999	35.75568084272478
2000	35.88306948056971
2001	35.55173977635368
2002	35.23977835674339
2003	34.36766028755818
2004	34.13222676364664
2005	34.14019087217874
2006	34.37007253296542
2007	35.02044609472616
2008	35.48608620797603
2009	33.70106068341812
2010	33.29384165073766
2011	33.40886008016738
2012	32.658288433629664
2013	32.71995042580275
2014	32.730213252715764
2015	32.96337326966048
2016	33.300797901975514
2017	33.59482724740623
2018	33.906387300799175
2019	33.92138893990753
2020	31.757308107054783
2021	32.287714943766694
2022	33.978948439195094
2023	34.442137874501455