Year	% (modeled ILO estimate)
1991	71.78946650781037
1992	71.62225365633519
1993	71.43555045104696
1994	71.32394959061318
1995	71.30074070462233
1996	71.29567106289683
1997	71.213571676188
1998	71.05188957026472
1999	70.79776042086401
2000	70.61940769354446
2001	70.61598124203474
2002	70.64962610221477
2003	70.65054181449153
2004	70.69111409052165
2005	70.6911786483168
2006	70.69561142465729
2007	70.59902922033845
2008	70.44821394876664
2009	70.1194025604392
2010	69.57833268567146
2011	69.62308406780093
2012	69.41643182963928
2013	69.28667018205688
2014	69.0996091507097
2015	69.00622772990506
2016	68.9824702903005
2017	68.77046057158917
2018	68.73354978281911
2019	68.62209196594877
2020	67.60054686451629
2021	67.71866372250683
2022	68.7848703352466
2023	68.85175585981511