Year	Number of Firms
1992-01-01	65
1997-01-01	137
2002-01-01	174
2003-01-01	166
2004-01-01	189
2005-01-01	170
2006-01-01	196
2007-01-01	214
2008-01-01	224
2009-01-01	237
2010-01-01	247
2011-01-01	279
2012-01-01	291
2013-01-01	287
2014-01-01	306
2015-01-01	324
2016-01-01	300