Year	Number of Firms
1992-01-01	5
1997-01-01	9
2002-01-01	10
2003-01-01	14
2004-01-01	20
2005-01-01	22
2006-01-01	25
2007-01-01	31
2008-01-01	41
2009-01-01	33
2010-01-01	32
2011-01-01	31
2012-01-01	29
2013-01-01	36
2014-01-01	35
2015-01-01	32
2016-01-01	34