Year	Number of Firms
1992-01-01	146
1997-01-01	203
2002-01-01	304
2003-01-01	282
2004-01-01	303
2005-01-01	299
2006-01-01	307
2007-01-01	316
2008-01-01	314
2009-01-01	328
2010-01-01	373
2011-01-01	392
2012-01-01	414
2013-01-01	450
2014-01-01	485
2015-01-01	460
2016-01-01	403