Year	Number of Firms
1992-01-01	18
1997-01-01	29
2002-01-01	32
2003-01-01	28
2004-01-01	48
2005-01-01	43
2006-01-01	47
2007-01-01	55
2008-01-01	65
2009-01-01	53
2010-01-01	52
2011-01-01	54
2012-01-01	55
2013-01-01	57
2014-01-01	60
2015-01-01	61
2016-01-01	48