Year	Number of Firms
1992-01-01	22
1997-01-01	21
2002-01-01	32
2003-01-01	50
2004-01-01	43
2005-01-01	40
2006-01-01	35
2007-01-01	40
2008-01-01	52
2009-01-01	50
2010-01-01	67
2011-01-01	61
2012-01-01	55
2013-01-01	59
2014-01-01	58
2015-01-01	64
2016-01-01	57