Year	Number of Firms
1992-01-01	257
1997-01-01	358
2002-01-01	408
2003-01-01	444
2004-01-01	505
2005-01-01	511
2006-01-01	554
2007-01-01	621
2008-01-01	639
2009-01-01	645
2010-01-01	665
2011-01-01	685
2012-01-01	690
2013-01-01	653
2014-01-01	682
2015-01-01	680
2016-01-01	670