Year	Number of Firms
1992-01-01	1
1997-01-01	87
2002-01-01	220
2003-01-01	250
2004-01-01	276
2005-01-01	314
2006-01-01	323
2007-01-01	455
2008-01-01	519
2009-01-01	622
2010-01-01	671
2011-01-01	702
2012-01-01	690
2013-01-01	716
2014-01-01	822
2015-01-01	837
2016-01-01	818