Year	Number of Firms
1992-01-01	396
1997-01-01	471
2002-01-01	499
2003-01-01	581
2004-01-01	616
2005-01-01	585
2006-01-01	628
2007-01-01	677
2008-01-01	732
2009-01-01	615
2010-01-01	645
2011-01-01	646
2012-01-01	628
2013-01-01	615
2014-01-01	622
2015-01-01	640
2016-01-01	669