Year	% (modeled ILO estimate)
1991	55.364
1992	54.761
1993	54.055
1994	53.409
1995	52.705
1996	51.987
1997	51.523
1998	52.57
1999	52.209
2000	51.574
2001	51.747
2002	51.42
2003	51.046
2004	50.572
2005	50.238
2006	49.88
2007	49.45
2008	49.1
2009	48.01
2010	47.6
2011	49.35
2012	50.11
2013	50.36
2014	49.69
2015	48.8
2016	48.5
2017	48.42
2018	49.89
2019	53.17
2020	50.15
2021	50.418
2022	51.161
2023	51.113