Year	Number of Firms
1992-01-01	2
1997-01-01	10
2002-01-01	18
2003-01-01	30
2004-01-01	30
2005-01-01	24
2006-01-01	40
2007-01-01	53
2008-01-01	52
2009-01-01	56
2010-01-01	53
2011-01-01	65
2012-01-01	60
2013-01-01	52
2014-01-01	61
2015-01-01	51
2016-01-01	62