Year	% of total employment
1997	34.16
2003	28.1
2006	27.01
2007	25.95
2008	25.14
2009	25.71
2010	24.9
2011	21.98
2012	25.01
2013	24.93
2014	24.7
2015	24.28
2016	26.5
2017	27.27
2018	29.41
2019	30.33
2020	47.57
2021	36.8
2022	37.69
2023	31.52