Year	Number of Firms
1992-01-01	65
1997-01-01	89
2002-01-01	175
2003-01-01	167
2004-01-01	169
2005-01-01	197
2006-01-01	245
2007-01-01	280
2008-01-01	368
2009-01-01	405
2010-01-01	390
2011-01-01	435
2012-01-01	457
2013-01-01	477
2014-01-01	478
2015-01-01	415
2016-01-01	412