Year	Number of Firms
1992-01-01	152
1997-01-01	285
2002-01-01	253
2003-01-01	259
2004-01-01	269
2005-01-01	289
2006-01-01	353
2007-01-01	410
2008-01-01	408
2009-01-01	350
2010-01-01	396
2011-01-01	423
2012-01-01	416
2013-01-01	418
2014-01-01	394
2015-01-01	405
2016-01-01	375
