Year	Number of Firms
1992-01-01	45
1997-01-01	50
2002-01-01	60
2003-01-01	72
2004-01-01	69
2005-01-01	68
2006-01-01	67
2007-01-01	77
2008-01-01	90
2009-01-01	80
2010-01-01	93
2011-01-01	93
2012-01-01	80
2013-01-01	71
2014-01-01	80
2015-01-01	77
2016-01-01	71