Year	Number of Firms
1992-01-01	354
1997-01-01	471
2002-01-01	550
2003-01-01	553
2004-01-01	557
2005-01-01	563
2006-01-01	616
2007-01-01	689
2008-01-01	678
2009-01-01	600
2010-01-01	627
2011-01-01	631
2012-01-01	643
2013-01-01	640
2014-01-01	651
2015-01-01	630
2016-01-01	647