Year	% (modeled ILO estimate)
1991	41.0236898127011
1992	39.32329877052493
1993	36.43880292670674
1994	35.030375752280776
1995	34.430665859694464
1996	33.421751726320934
1997	33.1907896085448
1998	34.08758544624646
1999	34.24506229991229
2000	34.7752452449335
2001	34.86152023259319
2002	34.23543525421249
2003	33.59794117024614
2004	33.043829803374145
2005	32.67289615981877
2006	33.335916910888635
2007	34.38908366010811
2008	34.50317435958439
2009	32.27119161518017
2010	31.348619125425692
2011	30.858574460250086
2012	29.889102489677395
2013	29.678893184264712
2014	29.69036950430966
2015	30.126367960324895
2016	30.776429236614
2017	31.790138356670614
2018	32.59732172030592
2019	33.12701273324684
2020	31.177443006178116
2021	32.00788278477629
2022	33.78697663062725
2023	34.71774189511313