Year	Number of Firms
1992-01-01	1
1997-01-01	13
2002-01-01	15
2003-01-01	24
2004-01-01	38
2005-01-01	39
2006-01-01	37
2007-01-01	26
2008-01-01	47
2009-01-01	18
2010-01-01	25
2011-01-01	23
2012-01-01	16
2013-01-01	24
2014-01-01	25
2015-01-01	18
2016-01-01	20