Year	Number of Firms
1992-01-01	178
1997-01-01	263
2002-01-01	284
2003-01-01	321
2004-01-01	342
2005-01-01	311
2006-01-01	345
2007-01-01	425
2008-01-01	414
2009-01-01	408
2010-01-01	442
2011-01-01	481
2012-01-01	523
2013-01-01	586
2014-01-01	558
2015-01-01	608
2016-01-01	597