Year	Number of Firms
1992-01-01	731
1997-01-01	721
2002-01-01	410
2003-01-01	475
2004-01-01	557
2005-01-01	630
2006-01-01	649
2007-01-01	665
2008-01-01	737
2009-01-01	650
2010-01-01	730
2011-01-01	754
2012-01-01	636
2013-01-01	537
2014-01-01	524
2015-01-01	535
2016-01-01	550