Year	Number of Firms
1992-01-01	453
1997-01-01	519
2002-01-01	578
2003-01-01	590
2004-01-01	607
2005-01-01	603
2006-01-01	608
2007-01-01	677
2008-01-01	697
2009-01-01	670
2010-01-01	680
2011-01-01	705
2012-01-01	675
2013-01-01	665
2014-01-01	616
2015-01-01	577
2016-01-01	593