Year	Number of Firms
1992-01-01	1
1997-01-01	2
2002-01-01	9
2003-01-01	9
2004-01-01	19
2005-01-01	15
2006-01-01	17
2007-01-01	14
2008-01-01	21
2009-01-01	25
2010-01-01	34
2011-01-01	60
2012-01-01	98
2013-01-01	66
2014-01-01	48
2015-01-01	43
2016-01-01	35
