Year	Number of Firms
1992-01-01	185
1997-01-01	318
2002-01-01	225
2003-01-01	223
2004-01-01	255
2005-01-01	293
2006-01-01	284
2007-01-01	328
2008-01-01	369
2009-01-01	427
2010-01-01	567
2011-01-01	606
2012-01-01	615
2013-01-01	658
2014-01-01	666
2015-01-01	631
2016-01-01	543