Year	Number of Firms
1992-01-01	69
1997-01-01	111
2002-01-01	80
2003-01-01	112
2004-01-01	131
2005-01-01	279
2006-01-01	413
2007-01-01	415
2008-01-01	503
2009-01-01	401
2010-01-01	398
2011-01-01	372
2012-01-01	352
2013-01-01	316
2014-01-01	387
2015-01-01	458
2016-01-01	382
