Year	Number of Firms
1992-01-01	20
1997-01-01	39
2002-01-01	21
2003-01-01	29
2004-01-01	28
2005-01-01	32
2006-01-01	37
2007-01-01	52
2008-01-01	62
2009-01-01	61
2010-01-01	66
2011-01-01	81
2012-01-01	74
2013-01-01	86
2014-01-01	87
2015-01-01	78
2016-01-01	88