Year	Number of Firms
1992-01-01	17
1997-01-01	28
2002-01-01	25
2003-01-01	26
2004-01-01	28
2005-01-01	22
2006-01-01	26
2007-01-01	34
2008-01-01	41
2009-01-01	45
2010-01-01	58
2011-01-01	54
2012-01-01	54
2013-01-01	52
2014-01-01	59
2015-01-01	61
2016-01-01	66