Year	Number of Firms
1992-01-01	4
1997-01-01	19
2002-01-01	28
2003-01-01	25
2004-01-01	41
2005-01-01	34
2006-01-01	29
2007-01-01	33
2008-01-01	54
2009-01-01	54
2010-01-01	62
2011-01-01	78
2012-01-01	83
2013-01-01	59
2014-01-01	68
2015-01-01	54
2016-01-01	61