Year	% (modeled ILO estimate)
1991	72.754
1992	71.864
1993	70.43
1994	69.149
1995	68.038
1996	66.892
1997	65.776
1998	64.814
1999	63.844
2000	62.89
2001	61.308
2002	59.915
2003	58.687
2004	58.096
2005	57.301
2006	56.644
2007	55.92
2008	54.72
2009	53.683
2010	53.083
2011	52.164
2012	51.362
2013	50.578
2014	49.815
2015	49.097
2016	48.566
2017	48.029
2018	47.825
2019	46.653
2020	42.997
2021	44.726
2022	43.108
2023	42.385