Year	% (modeled ILO estimate)
1991	44.733
1992	44.855
1993	44.675
1994	44.394
1995	42.877
1996	41.675
1997	40.419
1998	41.31
1999	42.238
2000	43.142
2001	42.947
2002	42.871
2003	42.767
2004	43.06
2005	43.271
2006	43.676
2007	43.71
2008	44.012
2009	44.043
2010	44.366
2011	46.092
2012	47.882
2013	49.958
2014	49.564
2015	48.056
2016	46.335
2017	46.67
2018	47.175
2019	47.128
2020	45.462
2021	45.866
2022	47.342
2023	47.846