Year	Number of Firms
1992-01-01	320
1997-01-01	549
2002-01-01	507
2003-01-01	508
2004-01-01	564
2005-01-01	545
2006-01-01	570
2007-01-01	613
2008-01-01	646
2009-01-01	617
2010-01-01	690
2011-01-01	669
2012-01-01	688
2013-01-01	686
2014-01-01	727
2015-01-01	653
2016-01-01	665