Year	Number of Firms
1992-01-01	158
1997-01-01	145
2002-01-01	183
2003-01-01	212
2004-01-01	221
2005-01-01	243
2006-01-01	268
2007-01-01	278
2008-01-01	282
2009-01-01	347
2010-01-01	329
2011-01-01	341
2012-01-01	332
2013-01-01	303
2014-01-01	332
2015-01-01	314
2016-01-01	302