Year	% (modeled ILO estimate)
1991	40.384
1992	42.54
1993	43.006
1994	43.903
1995	44.167
1996	45.343
1997	47.072
1998	48.53
1999	50.519
2000	52.304
2001	53.752
2002	54.308
2003	54.365
2004	54.092
2005	51.802
2006	52.707
2007	54.429
2008	55.748
2009	55.912
2010	55.462
2011	55.589
2012	55.605
2013	54.93
2014	53.931
2015	54.53
2016	54.86
2017	55.706
2018	56.759
2019	57.803
2020	57.519
2021	57.903
2022	58.863
2023	59.398