Year	Number of Firms
1992-01-01	192
1997-01-01	340
2002-01-01	173
2003-01-01	211
2004-01-01	246
2005-01-01	275
2006-01-01	287
2007-01-01	329
2008-01-01	306
2009-01-01	323
2010-01-01	366
2011-01-01	350
2012-01-01	324
2013-01-01	326
2014-01-01	332
2015-01-01	330
2016-01-01	338