Year	Number of Firms
1992-01-01	215
1997-01-01	318
2002-01-01	368
2003-01-01	399
2004-01-01	430
2005-01-01	452
2006-01-01	448
2007-01-01	489
2008-01-01	570
2009-01-01	537
2010-01-01	621
2011-01-01	655
2012-01-01	689
2013-01-01	661
2014-01-01	663
2015-01-01	608
2016-01-01	616