Year	Number of Firms
1992-01-01	10
1997-01-01	15
2002-01-01	20
2003-01-01	22
2004-01-01	27
2005-01-01	26
2006-01-01	27
2007-01-01	40
2008-01-01	45
2009-01-01	42
2010-01-01	42
2011-01-01	38
2012-01-01	37
2013-01-01	40
2014-01-01	61
2015-01-01	57
2016-01-01	51