Year	Number of Firms
1992-01-01	196
1997-01-01	450
2002-01-01	458
2003-01-01	469
2004-01-01	486
2005-01-01	481
2006-01-01	490
2007-01-01	575
2008-01-01	638
2009-01-01	622
2010-01-01	686
2011-01-01	710
2012-01-01	699
2013-01-01	731
2014-01-01	732
2015-01-01	693
2016-01-01	642