Year	Number of Firms
1992-01-01	14
1997-01-01	24
2002-01-01	30
2003-01-01	37
2004-01-01	47
2005-01-01	39
2006-01-01	52
2007-01-01	60
2008-01-01	72
2009-01-01	60
2010-01-01	63
2011-01-01	70
2012-01-01	74
2013-01-01	66
2014-01-01	61
2015-01-01	68
2016-01-01	73