Year	Number of Firms
1992-01-01	159
1997-01-01	210
2002-01-01	286
2003-01-01	267
2004-01-01	289
2005-01-01	308
2006-01-01	304
2007-01-01	338
2008-01-01	366
2009-01-01	363
2010-01-01	382
2011-01-01	378
2012-01-01	398
2013-01-01	395
2014-01-01	398
2015-01-01	376
2016-01-01	406