Year	% of total employment (modeled ILO estimate)
1991	16.8520560169542
1992	16.9047213533797
1993	16.9508101500078
1994	17.5638922671422
1995	17.5509470882471
1996	17.6206405679116
1997	17.6625434977549
1998	17.6185963006501
1999	17.5970798002487
2000	17.7106825322279
2001	17.8945054353752
2002	18.0655644272977
2003	18.1308971551724
2004	18.2064794239456
2005	18.2759439120986
2006	18.3223875883447
2007	18.3153260803405
2008	18.2495541942957
2009	18.2528497686529
2010	18.1972319766022
2011	18.5519508381551
2012	18.8671419956397
2013	19.3556327579398
2014	19.7738972143246
2015	20.1125324836984
2016	20.5272973189548
2017	20.9680787234661
2018	21.3764627823154
2019	21.6717542626655
2020	22.0799722568484
2021	22.2260524533784
2022	22.2902895845298