Year	% (modeled ILO estimate)
1991	42.92
1992	40.05
1993	41.63
1994	44.18
1995	39.65
1996	38.81
1997	35.25
1998	34.91
1999	30.91
2000	31.26
2001	31.77
2002	25.99
2003	29.77
2004	32.47
2005	30.85
2006	30.38
2007	32.1
2008	37.07
2009	34.02
2010	34.12
2011	36.3
2012	37.14
2013	38.09
2014	36.97
2015	37.69
2016	40.24
2017	42.35
2018	45.03
2019	43.01
2020	41.1
2021	40.02
2022	48.351
2023	45.371