Year	% of total labor force
1992	2.229435685239352
1993	2.3342452451424354
1994	2.3279526587547315
1995	1.8350644107608178
1996	2.2381679252630966
1997	2.6204649578323513
1998	2.9744958229580085
1999	2.8734924427148756
2000	2.367676480685679