Year	Number of Firms
1992-01-01	9
1997-01-01	23
2002-01-01	33
2003-01-01	31
2004-01-01	37
2005-01-01	39
2006-01-01	48
2007-01-01	66
2008-01-01	66
2009-01-01	60
2010-01-01	73
2011-01-01	71
2012-01-01	74
2013-01-01	73
2014-01-01	81
2015-01-01	81
2016-01-01	67