Year	Number of Firms
1992-01-01	342
1997-01-01	480
2002-01-01	429
2003-01-01	505
2004-01-01	515
2005-01-01	606
2006-01-01	612
2007-01-01	653
2008-01-01	661
2009-01-01	612
2010-01-01	636
2011-01-01	686
2012-01-01	663
2013-01-01	665
2014-01-01	636
2015-01-01	597
2016-01-01	564