Year	Number of Firms
1992-01-01	189
1997-01-01	308
2002-01-01	330
2003-01-01	334
2004-01-01	323
2005-01-01	336
2006-01-01	363
2007-01-01	354
2008-01-01	337
2009-01-01	386
2010-01-01	381
2011-01-01	388
2012-01-01	414
2013-01-01	414
2014-01-01	443
2015-01-01	428
2016-01-01	402