Year	Number of Firms
1992-01-01	35
1997-01-01	46
2002-01-01	61
2003-01-01	63
2004-01-01	69
2005-01-01	64
2006-01-01	54
2007-01-01	56
2008-01-01	63
2009-01-01	78
2010-01-01	67
2011-01-01	78
2012-01-01	82
2013-01-01	80
2014-01-01	76
2015-01-01	79
2016-01-01	85