Year	Number of Firms
1992-01-01	11
1997-01-01	25
2002-01-01	19
2003-01-01	20
2004-01-01	28
2005-01-01	39
2006-01-01	30
2007-01-01	41
2008-01-01	40
2009-01-01	29
2010-01-01	40
2011-01-01	44
2012-01-01	41
2013-01-01	52
2014-01-01	54
2015-01-01	52
2016-01-01	48