Year	Number of Firms
1992-01-01	4
1997-01-01	14
2002-01-01	10
2003-01-01	16
2004-01-01	26
2005-01-01	34
2006-01-01	25
2007-01-01	34
2008-01-01	31
2009-01-01	45
2010-01-01	54
2011-01-01	61
2012-01-01	67
2013-01-01	59
2014-01-01	73
2015-01-01	54
2016-01-01	60