Year	Number of Firms
1992-01-01	94
1997-01-01	188
2002-01-01	248
2003-01-01	266
2004-01-01	292
2005-01-01	295
2006-01-01	289
2007-01-01	340
2008-01-01	333
2009-01-01	329
2010-01-01	346
2011-01-01	371
2012-01-01	365
2013-01-01	361
2014-01-01	387
2015-01-01	384
2016-01-01	412