Year	Number of Firms
1992-01-01	16
1997-01-01	28
2002-01-01	16
2003-01-01	16
2004-01-01	18
2005-01-01	19
2006-01-01	22
2007-01-01	30
2008-01-01	34
2009-01-01	26
2010-01-01	44
2011-01-01	50
2012-01-01	45
2013-01-01	56
2014-01-01	68
2015-01-01	61
2016-01-01	53