Year	Number of Firms
1992-01-01	28
1997-01-01	41
2002-01-01	53
2003-01-01	50
2004-01-01	60
2005-01-01	58
2006-01-01	51
2007-01-01	60
2008-01-01	59
2009-01-01	56
2010-01-01	52
2011-01-01	77
2012-01-01	66
2013-01-01	79
2014-01-01	74
2015-01-01	70
2016-01-01	59