Year	% (modeled ILO estimate)
1991	78.259
1992	77.249
1993	76.21
1994	75.133
1995	74.012
1996	72.848
1997	71.631
1998	70.379
1999	69.092
2000	67.761
2001	66.542
2002	65.295
2003	64.03
2004	62.76
2005	61.483
2006	60.207
2007	58.937
2008	57.656
2009	56.358
2010	55.051
2011	53.829
2012	52.835
2013	51.852
2014	50.903
2015	50.002
2016	49.13
2017	48.267
2018	47.45
2019	46.736
2020	43.478
2021	45.423
2022	45.052
2023	44.855