Year	Number of Firms
1992-01-01	8
1997-01-01	13
2002-01-01	28
2003-01-01	32
2004-01-01	45
2005-01-01	59
2006-01-01	53
2007-01-01	70
2008-01-01	73
2009-01-01	57
2010-01-01	61
2011-01-01	52
2012-01-01	62
2013-01-01	62
2014-01-01	59
2015-01-01	53
2016-01-01	52