Year	Number of Firms
1992-01-01	6
1997-01-01	11
2002-01-01	10
2003-01-01	13
2004-01-01	20
2005-01-01	17
2006-01-01	21
2007-01-01	23
2008-01-01	22
2009-01-01	25
2010-01-01	34
2011-01-01	24
2012-01-01	36
2013-01-01	34
2014-01-01	39
2015-01-01	41
2016-01-01	38