Year	Number of Firms
1992-01-01	99
1997-01-01	168
2002-01-01	258
2003-01-01	239
2004-01-01	266
2005-01-01	338
2006-01-01	361
2007-01-01	386
2008-01-01	403
2009-01-01	367
2010-01-01	381
2011-01-01	415
2012-01-01	406
2013-01-01	435
2014-01-01	420
2015-01-01	441
2016-01-01	513