Year	Number of Firms
1992-01-01	371
1997-01-01	497
2002-01-01	560
2003-01-01	547
2004-01-01	599
2005-01-01	584
2006-01-01	613
2007-01-01	658
2008-01-01	694
2009-01-01	664
2010-01-01	693
2011-01-01	707
2012-01-01	697
2013-01-01	695
2014-01-01	695
2015-01-01	658
2016-01-01	668