Year	% (modeled ILO estimate)
1991	27.747
1992	28.428
1993	29.118
1994	29.617
1995	30.213
1996	30.75
1997	31.45
1998	32.152
1999	32.892
2000	33.707
2001	34.512
2002	35.316
2003	36.118
2004	36.875
2005	37.613
2006	38.383
2007	39.244
2008	40.16
2009	41.106
2010	41.997
2011	40.909
2012	41.125
2013	41.313
2014	41.385
2015	41.402
2016	41.543
2017	41.835
2018	42.34
2019	42.604
2020	41.236
2021	41.657
2022	41.989
2023	42.307