Year	Number of Firms
1992-01-01	12
1997-01-01	20
2002-01-01	32
2003-01-01	31
2004-01-01	32
2005-01-01	24
2006-01-01	34
2007-01-01	33
2008-01-01	37
2009-01-01	35
2010-01-01	35
2011-01-01	43
2012-01-01	42
2013-01-01	46
2014-01-01	55
2015-01-01	48
2016-01-01	58