Year	Number of Firms
1992-01-01	186
1997-01-01	323
2002-01-01	314
2003-01-01	318
2004-01-01	321
2005-01-01	355
2006-01-01	389
2007-01-01	420
2008-01-01	403
2009-01-01	401
2010-01-01	413
2011-01-01	440
2012-01-01	422
2013-01-01	395
2014-01-01	416
2015-01-01	385
2016-01-01	372