Year	Number of Firms
1992-01-01	13
1997-01-01	36
2002-01-01	45
2003-01-01	45
2004-01-01	56
2005-01-01	52
2006-01-01	50
2007-01-01	70
2008-01-01	58
2009-01-01	79
2010-01-01	83
2011-01-01	88
2012-01-01	91
2013-01-01	94
2014-01-01	86
2015-01-01	77
2016-01-01	95