2012

2011

2010

2009

2008

2007

CISL

784.484

788.768

794.335

792.824

788.321

777.508

CGIL

915.736

912.905

912.272

915.875

914.819

913.341

UIL

190.324

188.952

184.975

186.067

182.698

177.298

cgil cisl uil

1.890.544

1.890.625

1.891.582

1.894.766

1.885.838

1.870.154