Year	Number of Firms
1992-01-01	216
1997-01-01	238
2002-01-01	270
2003-01-01	258
2004-01-01	287
2005-01-01	299
2006-01-01	299
2007-01-01	335
2008-01-01	348
2009-01-01	309
2010-01-01	290
2011-01-01	325
2012-01-01	310
2013-01-01	304
2014-01-01	316
2015-01-01	293
2016-01-01	290