Year	Number of Firms
1992-01-01	231
1997-01-01	303
2002-01-01	289
2003-01-01	299
2004-01-01	336
2005-01-01	342
2006-01-01	354
2007-01-01	387
2008-01-01	403
2009-01-01	388
2010-01-01	433
2011-01-01	432
2012-01-01	460
2013-01-01	444
2014-01-01	462
2015-01-01	462
2016-01-01	459