Year	Number of Firms
1992-01-01	4
1997-01-01	11
2002-01-01	17
2003-01-01	18
2004-01-01	24
2005-01-01	32
2006-01-01	39
2007-01-01	45
2008-01-01	51
2009-01-01	47
2010-01-01	46
2011-01-01	48
2012-01-01	60
2013-01-01	50
2014-01-01	58
2015-01-01	67
2016-01-01	57