Year	Number of Firms
1992-01-01	75
1997-01-01	138
2002-01-01	145
2003-01-01	169
2004-01-01	198
2005-01-01	239
2006-01-01	225
2007-01-01	268
2008-01-01	278
2009-01-01	266
2010-01-01	298
2011-01-01	368
2012-01-01	363
2013-01-01	390
2014-01-01	367
2015-01-01	384
2016-01-01	387