Year	% (modeled ILO estimate)
1991	45.023
1992	46.632
1993	47.583
1994	47.969
1995	47.933
1996	48.857
1997	49.327
1998	48.726
1999	47.628
2000	47.068
2001	45.935
2002	45.532
2003	44.884
2004	43.519
2005	43.985
2006	44.246
2007	44.572
2008	44
2009	42.185
2010	42.118
2011	41.578
2012	40.983
2013	41.473
2014	42.308
2015	42.716
2016	44.623
2017	43.936
2018	46.604
2019	47.93
2020	47.899
2021	47.977
2022	47.618
2023	48.583