Year	Number of Firms
1992-01-01	18
1997-01-01	34
2002-01-01	16
2003-01-01	26
2004-01-01	48
2005-01-01	43
2006-01-01	50
2007-01-01	58
2008-01-01	77
2009-01-01	72
2010-01-01	72
2011-01-01	62
2012-01-01	71
2013-01-01	59
2014-01-01	77
2015-01-01	71
2016-01-01	76