Year	Number of Firms
1992-01-01	4
1997-01-01	25
2002-01-01	52
2003-01-01	47
2004-01-01	56
2005-01-01	68
2006-01-01	90
2007-01-01	100
2008-01-01	128
2009-01-01	112
2010-01-01	159
2011-01-01	195
2012-01-01	210
2013-01-01	215
2014-01-01	200
2015-01-01	192
2016-01-01	184