Year	Number of Firms
1992-01-01	22
1997-01-01	46
2002-01-01	40
2003-01-01	35
2004-01-01	41
2005-01-01	35
2006-01-01	44
2007-01-01	41
2008-01-01	44
2009-01-01	45
2010-01-01	52
2011-01-01	58
2012-01-01	54
2013-01-01	61
2014-01-01	66
2015-01-01	71
2016-01-01	64