Year	Number of Firms
1992-01-01	22
1997-01-01	36
2002-01-01	38
2003-01-01	44
2004-01-01	49
2005-01-01	59
2006-01-01	65
2007-01-01	72
2008-01-01	55
2009-01-01	46
2010-01-01	43
2011-01-01	58
2012-01-01	45
2013-01-01	52
2014-01-01	55
2015-01-01	53
2016-01-01	50