Year	Number of Firms
1992-01-01	31
1997-01-01	51
2002-01-01	55
2003-01-01	58
2004-01-01	60
2005-01-01	67
2006-01-01	54
2007-01-01	67
2008-01-01	58
2009-01-01	60
2010-01-01	77
2011-01-01	74
2012-01-01	81
2013-01-01	68
2014-01-01	75
2015-01-01	59
2016-01-01	69