Year	Number of Firms
1992-01-01	16
1997-01-01	17
2002-01-01	23
2003-01-01	17
2004-01-01	12
2005-01-01	12
2006-01-01	32
2007-01-01	28
2008-01-01	44
2009-01-01	64
2010-01-01	62
2011-01-01	58
2012-01-01	64
2013-01-01	52
2014-01-01	52
2015-01-01	59
2016-01-01	58