Year	Number of Firms
1992-01-01	347
1997-01-01	498
2002-01-01	540
2003-01-01	567
2004-01-01	580
2005-01-01	577
2006-01-01	601
2007-01-01	656
2008-01-01	660
2009-01-01	633
2010-01-01	685
2011-01-01	661
2012-01-01	647
2013-01-01	630
2014-01-01	651
2015-01-01	608
2016-01-01	615
