Year	Number of Firms
1992-01-01	23
1997-01-01	39
2002-01-01	43
2003-01-01	46
2004-01-01	48
2005-01-01	52
2006-01-01	49
2007-01-01	62
2008-01-01	62
2009-01-01	77
2010-01-01	74
2011-01-01	66
2012-01-01	65
2013-01-01	60
2014-01-01	67
2015-01-01	69
2016-01-01	79