Year	Number of Firms
1992-01-01	14
1997-01-01	26
2002-01-01	24
2003-01-01	26
2004-01-01	29
2005-01-01	28
2006-01-01	30
2007-01-01	36
2008-01-01	44
2009-01-01	45
2010-01-01	58
2011-01-01	53
2012-01-01	43
2013-01-01	38
2014-01-01	43
2015-01-01	50
2016-01-01	46
