Year	% of total employment (modeled ILO estimate)
1991	38.3844993843472
1992	38.4850985307663
1993	38.6802517956843
1994	38.9711146216553
1995	39.3918696780164
1996	39.7971941832391
1997	40.194476314121
1998	40.7146882055592
1999	41.2161272110572
2000	41.5564876897532
2001	42.2936293797861
2002	42.8436075502121
2003	43.4550268032405
2004	44.0121923429607
2005	44.6200414474581
2006	45.2507650805547
2007	45.9023039173903
2008	46.3250700530403
2009	46.6952645771636
2010	47.2716237388203
2011	47.6979441392818
2012	48.2353910812577
2013	48.7014372287624
2014	49.2271028229956
2015	49.697544864604
2016	50.154889290843
2017	50.5351450715192
2018	50.9992328167784
2019	51.4107296260807
2020	51.0852948354218
2021	51.177108812493
2022	51.7857974029911