Year	Number of Firms
1992-01-01	5
1997-01-01	10
2002-01-01	15
2003-01-01	13
2004-01-01	17
2005-01-01	9
2006-01-01	20
2007-01-01	22
2008-01-01	33
2009-01-01	34
2010-01-01	35
2011-01-01	25
2012-01-01	24
2013-01-01	28
2014-01-01	20
2015-01-01	20
2016-01-01	10