Year	Number of Firms
1992-01-01	23
1997-01-01	33
2002-01-01	52
2003-01-01	40
2004-01-01	48
2005-01-01	52
2006-01-01	55
2007-01-01	58
2008-01-01	75
2009-01-01	69
2010-01-01	74
2011-01-01	86
2012-01-01	85
2013-01-01	83
2014-01-01	90
2015-01-01	79
2016-01-01	70