Year	% (modeled ILO estimate)
1991	52.587661584531155
1992	52.30462874296101
1993	51.343853057625594
1994	50.79784378518245
1995	50.22211318048008
1996	49.27870406445385
1997	48.41357704678819
1998	48.027775935178695
1999	48.48914824690872
2000	48.418521022420904
2001	47.62967205650946
2002	47.21468197072398
2003	46.40509341812867
2004	46.2812084345216
2005	46.080121420228345
2006	45.96044498625135
2007	45.67164998586684
2008	45.87080357638353
2009	44.96555977041207
2010	44.189225608103094
2011	44.04801489525317
2012	43.71621558447341
2013	43.90862133984589
2014	43.788710341570344
2015	43.74634365430454
2016	43.952220464064375
2017	43.77446175480167
2018	43.85656047686112
2019	44.060565513182546
2020	42.560207086298476
2021	43.41652592191907
2022	43.9054574523842
2023	44.299110642525946