Year	Number of Firms
1992-01-01	7
1997-01-01	26
2002-01-01	46
2003-01-01	38
2004-01-01	49
2005-01-01	43
2006-01-01	47
2007-01-01	50
2008-01-01	72
2009-01-01	62
2010-01-01	87
2011-01-01	81
2012-01-01	56
2013-01-01	71
2014-01-01	76
2015-01-01	78
2016-01-01	83