Year	Number of Firms
1992-01-01	256
1997-01-01	265
2002-01-01	302
2003-01-01	315
2004-01-01	336
2005-01-01	383
2006-01-01	372
2007-01-01	383
2008-01-01	380
2009-01-01	340
2010-01-01	371
2011-01-01	402
2012-01-01	397
2013-01-01	409
2014-01-01	392
2015-01-01	388
2016-01-01	381