Year	Number of Firms
1992-01-01	7
1997-01-01	7
2002-01-01	21
2003-01-01	14
2004-01-01	20
2005-01-01	17
2006-01-01	21
2007-01-01	30
2008-01-01	28
2009-01-01	25
2010-01-01	36
2011-01-01	33
2012-01-01	34
2013-01-01	37
2014-01-01	32
2015-01-01	50
2016-01-01	36