Year	Number of Firms
1992-01-01	30
1997-01-01	36
2002-01-01	50
2003-01-01	56
2004-01-01	50
2005-01-01	52
2006-01-01	58
2007-01-01	65
2008-01-01	70
2009-01-01	67
2010-01-01	78
2011-01-01	72
2012-01-01	73
2013-01-01	71
2014-01-01	62
2015-01-01	56
2016-01-01	56