Year	Number of Firms
1992-01-01	10
1997-01-01	10
2002-01-01	19
2003-01-01	27
2004-01-01	19
2005-01-01	34
2006-01-01	39
2007-01-01	40
2008-01-01	42
2009-01-01	36
2010-01-01	44
2011-01-01	56
2012-01-01	49
2013-01-01	53
2014-01-01	72
2015-01-01	71
2016-01-01	68