Year	Number of Firms
1992-01-01	13
1997-01-01	34
2002-01-01	20
2003-01-01	14
2004-01-01	17
2005-01-01	14
2006-01-01	19
2007-01-01	36
2008-01-01	38
2009-01-01	37
2010-01-01	39
2011-01-01	59
2012-01-01	59
2013-01-01	68
2014-01-01	62
2015-01-01	53
2016-01-01	61