Year	% (modeled ILO estimate)
1991	62.815
1992	62.736
1993	62.461
1994	62.633
1995	62.673
1996	63.203
1997	63.239
1998	63.09
1999	62.773
2000	62.371
2001	62.242
2002	62.956
2003	63.714
2004	64.472
2005	65.024
2006	65.747
2007	66.393
2008	63.7
2009	60.881
2010	57.974
2011	55.832
2012	53.7
2013	51.561
2014	49.429
2015	49.169
2016	48.89
2017	48.501
2018	48.052
2019	47.552
2020	46.828
2021	46.715
2022	46.893
2023	47.095