Year	% (modeled ILO estimate)
1991	49.650409105673916
1992	48.97041429970226
1993	47.887008732413186
1994	47.21347941128506
1995	46.351016892303505
1996	45.28415015817342
1997	44.266234243358376
1998	43.44689575000561
1999	42.96499190532084
2000	42.161933417184954
2001	41.527300890820264
2002	41.121593749430296
2003	40.497858573033234
2004	40.154498427179554
2005	39.72557971621388
2006	39.03681325928706
2007	38.29277562432151
2008	37.44406817232665
2009	36.75899659851306
2010	35.66829901802769
2011	34.64329786507953
2012	33.79715630195688
2013	32.96241333428167
2014	32.13748537986915
2015	31.523400957668247
2016	30.893213405546927
2017	30.23930873132198
2018	29.448182479556063
2019	29.137267424937658
2020	26.910841828625415
2021	27.482639950098463
2022	27.77042226543275
2023	28.62358008749115