Year	% (modeled ILO estimate)
1991	29.854
1992	29.855
1993	29.762
1994	30.061
1995	30.633
1996	31.018
1997	31.284
1998	31.52
1999	32.296
2000	33.073
2001	33.843
2002	34.53
2003	35.293
2004	36.005
2005	37.704
2006	38.863
2007	39.647
2008	39.643
2009	39.525
2010	40.496
2011	41.912
2012	43.437
2013	44.426
2014	45.187
2015	45.686
2016	46.636
2017	47.384
2018	46.038
2019	45.398
2020	44.583
2021	45.197
2022	46.637
2023	47.026