Year	Number of Firms
1992-01-01	34
1997-01-01	28
2002-01-01	37
2003-01-01	37
2004-01-01	45
2005-01-01	40
2006-01-01	44
2007-01-01	44
2008-01-01	60
2009-01-01	65
2010-01-01	54
2011-01-01	53
2012-01-01	50
2013-01-01	51
2014-01-01	53
2015-01-01	58
2016-01-01	43