Year	Number of Firms
1992-01-01	18
1997-01-01	29
2002-01-01	47
2003-01-01	53
2004-01-01	50
2005-01-01	58
2006-01-01	63
2007-01-01	56
2008-01-01	80
2009-01-01	102
2010-01-01	101
2011-01-01	93
2012-01-01	112
2013-01-01	111
2014-01-01	109
2015-01-01	119
2016-01-01	139