Year	Number of Firms
1992-01-01	70
1997-01-01	92
2002-01-01	141
2003-01-01	165
2004-01-01	215
2005-01-01	240
2006-01-01	246
2007-01-01	278
2008-01-01	325
2009-01-01	323
2010-01-01	310
2011-01-01	289
2012-01-01	253
2013-01-01	252
2014-01-01	261
2015-01-01	318
2016-01-01	305