Year	Number of Firms
1992-01-01	36
1997-01-01	35
2002-01-01	40
2003-01-01	45
2004-01-01	43
2005-01-01	44
2006-01-01	46
2007-01-01	52
2008-01-01	60
2009-01-01	60
2010-01-01	62
2011-01-01	65
2012-01-01	48
2013-01-01	58
2014-01-01	50
2015-01-01	42
2016-01-01	49