Year	% (modeled ILO estimate)
1991	53.28712609494139
1992	52.862422488130264
1993	52.48172878375046
1994	52.15508621549854
1995	52.00687896092654
1996	51.912145536889746
1997	51.71354732578562
1998	51.426462121902304
1999	51.06393304946336
2000	50.755292135520754
2001	50.6152049616213
2002	50.469878165630746
2003	50.3293661413767
2004	50.30623057973962
2005	50.29804873108748
2006	50.144821695520754
2007	49.90568124513788
2008	49.657262354364164
2009	49.19400885064148
2010	48.221528990021255
2011	48.46815738897096
2012	48.48313441254816
2013	48.56615118379271
2014	48.40108879671609
2015	48.46511910253833
2016	48.27021742313017
2017	47.9087703116102
2018	47.49082899552758
2019	46.980281707874795
2020	46.33465535610371
2021	46.192498327002966
2022	46.3619078818207
2023	46.41594990389516