Year	Number of Firms
1992-01-01	212
1997-01-01	313
2002-01-01	315
2003-01-01	318
2004-01-01	318
2005-01-01	330
2006-01-01	338
2007-01-01	381
2008-01-01	385
2009-01-01	388
2010-01-01	399
2011-01-01	404
2012-01-01	406
2013-01-01	397
2014-01-01	435
2015-01-01	443
2016-01-01	427