Year	Number of Firms
1992-01-01	9
1997-01-01	12
2002-01-01	15
2003-01-01	15
2004-01-01	23
2005-01-01	25
2006-01-01	25
2007-01-01	48
2008-01-01	55
2009-01-01	43
2010-01-01	59
2011-01-01	51
2012-01-01	56
2013-01-01	60
2014-01-01	50
2015-01-01	64
2016-01-01	57