Year	Number of Firms
1992-01-01	34
1997-01-01	36
2002-01-01	31
2003-01-01	40
2004-01-01	39
2005-01-01	42
2006-01-01	47
2007-01-01	50
2008-01-01	65
2009-01-01	60
2010-01-01	55
2011-01-01	59
2012-01-01	58
2013-01-01	51
2014-01-01	62
2015-01-01	71
2016-01-01	58