Year	Number of Firms
1992-01-01	13
1997-01-01	30
2002-01-01	18
2003-01-01	18
2004-01-01	22
2005-01-01	26
2006-01-01	41
2007-01-01	28
2008-01-01	38
2009-01-01	49
2010-01-01	56
2011-01-01	53
2012-01-01	62
2013-01-01	63
2014-01-01	68
2015-01-01	66
2016-01-01	55