Year	% (modeled ILO estimate)
1991	45.842
1992	45.494
1993	45.803
1994	45.87
1995	46.053
1996	46.054
1997	44.403
1998	43.822
1999	43.845
2000	43.689
2001	44.283
2002	44.545
2003	45.21
2004	44.846
2005	45.59
2006	46.296
2007	48.165
2008	48.358
2009	48.149
2010	49.355
2011	50.753
2012	51.508
2013	52.524
2014	54.188
2015	55.775
2016	56.525
2017	57.231
2018	58.117
2019	58.838
2020	59.48
2021	60.82
2022	63.499
2023	63.855