Year	Number of Firms
1992-01-01	156
1997-01-01	278
2002-01-01	236
2003-01-01	275
2004-01-01	296
2005-01-01	306
2006-01-01	303
2007-01-01	349
2008-01-01	374
2009-01-01	350
2010-01-01	401
2011-01-01	442
2012-01-01	423
2013-01-01	405
2014-01-01	430
2015-01-01	407
2016-01-01	370