Year	Number of Firms
1992-01-01	245
1997-01-01	425
2002-01-01	457
2003-01-01	472
2004-01-01	499
2005-01-01	497
2006-01-01	510
2007-01-01	588
2008-01-01	649
2009-01-01	613
2010-01-01	637
2011-01-01	707
2012-01-01	688
2013-01-01	716
2014-01-01	691
2015-01-01	666
2016-01-01	666