Year	Number of Firms
1992-01-01	128
1997-01-01	227
2002-01-01	192
2003-01-01	228
2004-01-01	235
2005-01-01	270
2006-01-01	278
2007-01-01	326
2008-01-01	373
2009-01-01	385
2010-01-01	388
2011-01-01	371
2012-01-01	398
2013-01-01	392
2014-01-01	363
2015-01-01	338
2016-01-01	299