Year	% of total labor force
1991	6.783879309990393
1992	4.003618355880949
1993	4.0307739224129
1994	3.207217889678119
1995	2.8249861826280664
1996	2.6862314610525786
1997	1.7724581099718268
1998	1.762790439249444
1999	2.0194124017522763
2000	1.8442062569007687
2001	1.5677797686778794
2002	1.5554471867753092
2003	1.5397341675506864
2004	1.5737259115020479
2005	1.5694674156881072
2006	1.5449029079341539
2007	1.5277954233681939
2008	1.5161278095743471
2009	1.4665795654379061
2010	1.4780180541373542
2011	1.458157260039461
2012	1.4501271502216484
2013	1.4420048565959596
2014	1.4358381006010932
2015	1.4265022580302629
2016	1.4221883994635243
2017	1.426758747673773
2018	1.4224386325348775
2019	1.4218427980668924
2020	1.5150264711006707