Year	% (modeled ILO estimate)
1991	85.15
1992	85.312
1993	85.515
1994	85.673
1995	86.153
1996	85.962
1997	85.482
1998	84.952
1999	84.399
2000	83.945
2001	82.763
2002	81.634
2003	80.705
2004	79.833
2005	78.924
2006	79.023
2007	79.109
2008	79.467
2009	79.631
2010	79.81
2011	80.316
2012	80.83
2013	81.364
2014	81.336
2015	81.76
2016	81.402
2017	81.334
2018	81.17
2019	80.901
2020	79.568
2021	79.623
2022	81.016
2023	81.225