Year	Number of Firms
1992-01-01	90
1997-01-01	187
2002-01-01	234
2003-01-01	237
2004-01-01	351
2005-01-01	351
2006-01-01	347
2007-01-01	410
2008-01-01	617
2009-01-01	742
2010-01-01	778
2011-01-01	778
2012-01-01	741
2013-01-01	698
2014-01-01	650
2015-01-01	651
2016-01-01	590