Year	Number of Firms
1992-01-01	1
2002-01-01	1
2004-01-01	4
2005-01-01	9
2006-01-01	9
2007-01-01	19
2008-01-01	19
2009-01-01	26
2010-01-01	20
2011-01-01	21
2012-01-01	32
2013-01-01	37
2014-01-01	37
2015-01-01	45
2016-01-01	21