Year	Number of Firms
1992-01-01	109
1997-01-01	186
2002-01-01	180
2003-01-01	182
2004-01-01	220
2005-01-01	245
2006-01-01	261
2007-01-01	267
2008-01-01	269
2009-01-01	235
2010-01-01	249
2011-01-01	278
2012-01-01	268
2013-01-01	276
2014-01-01	284
2015-01-01	269
2016-01-01	259