Year	Number of Firms
1992-01-01	9
1997-01-01	12
2002-01-01	10
2003-01-01	13
2004-01-01	13
2005-01-01	12
2006-01-01	11
2007-01-01	17
2008-01-01	22
2009-01-01	28
2010-01-01	30
2011-01-01	38
2012-01-01	43
2013-01-01	49
2014-01-01	38
2015-01-01	42
2016-01-01	37