Year	Number of Firms
1992-01-01	15
1997-01-01	11
2002-01-01	21
2003-01-01	24
2004-01-01	22
2005-01-01	26
2006-01-01	26
2007-01-01	30
2008-01-01	48
2009-01-01	41
2010-01-01	56
2011-01-01	84
2012-01-01	86
2013-01-01	65
2014-01-01	74
2015-01-01	65
2016-01-01	64