Year	Number of Firms
1992-01-01	353
1997-01-01	364
2002-01-01	460
2003-01-01	465
2004-01-01	457
2005-01-01	466
2006-01-01	485
2007-01-01	537
2008-01-01	619
2009-01-01	601
2010-01-01	589
2011-01-01	604
2012-01-01	655
2013-01-01	685
2014-01-01	704
2015-01-01	735
2016-01-01	674