Year	Number of Firms
1992-01-01	8
1997-01-01	18
2002-01-01	14
2003-01-01	18
2004-01-01	17
2005-01-01	25
2006-01-01	37
2007-01-01	37
2008-01-01	31
2009-01-01	37
2010-01-01	35
2011-01-01	43
2012-01-01	54
2013-01-01	52
2014-01-01	49
2015-01-01	58
2016-01-01	58