Year	Number of Firms
1992-01-01	5
1997-01-01	16
2002-01-01	18
2003-01-01	13
2004-01-01	23
2005-01-01	13
2006-01-01	26
2007-01-01	18
2008-01-01	37
2009-01-01	26
2010-01-01	33
2011-01-01	40
2012-01-01	43
2013-01-01	47
2014-01-01	35
2015-01-01	40
2016-01-01	65