Year	% (modeled ILO estimate)
1991	62.115
1992	60.248
1993	59.214
1994	57.607
1995	56.556
1996	56.294
1997	56.137
1998	56.138
1999	56.336
2000	56.544
2001	56.874
2002	57.448
2003	57.889
2004	57.999
2005	57.316
2006	57.572
2007	57.516
2008	57.096
2009	55.594
2010	54.67
2011	54.312
2012	53.453
2013	51.935
2014	51.769
2015	52.239
2016	52.806
2017	53.226
2018	53.595
2019	53.767
2020	52.936
2021	52.629
2022	53.947
2023	54.761