Year	Number of Firms
1992-01-01	27
1997-01-01	45
2002-01-01	52
2003-01-01	49
2004-01-01	54
2005-01-01	52
2006-01-01	55
2007-01-01	67
2008-01-01	77
2009-01-01	75
2010-01-01	80
2011-01-01	70
2012-01-01	76
2013-01-01	77
2014-01-01	69
2015-01-01	63
2016-01-01	55