Year	% of total labor force
1991	43.67291209986727
1992	43.67098696689374
1993	43.658912992758545
1994	43.64396071615279
1995	43.63480939121602
1996	43.6392828956829
1997	43.66424406813744
1998	43.69915485164631
1999	43.72952700818023
2000	43.76645018655722
2001	43.79323869126404
2002	43.81218697418687
2003	43.79944301700481
2004	43.784634235453474
2005	43.75099986663516
2006	43.73523801817903
2007	44.27450880089841
2008	44.357111127418165
2009	44.27283434976741
2010	44.00726526832484
2011	43.76114459633637
2012	43.75964675582698
2013	43.99271662114555
2014	44.25756035546093
2015	44.19894453784943
2016	44.705694385871695
2017	44.96301641156332
2018	44.85997571166115
2019	45.08525080147061
2020	45.036727184267846
2021	45.36293664437252
2022	45.67891168483619
2023	45.52496709093462