Year	Number of Firms
1992-01-01	150
1997-01-01	230
2002-01-01	245
2003-01-01	236
2004-01-01	259
2005-01-01	281
2006-01-01	286
2007-01-01	293
2008-01-01	325
2009-01-01	289
2010-01-01	265
2011-01-01	276
2012-01-01	281
2013-01-01	297
2014-01-01	282
2015-01-01	266
2016-01-01	278