Year	Number of Firms
1992-01-01	10
1997-01-01	23
2002-01-01	37
2003-01-01	33
2004-01-01	37
2005-01-01	38
2006-01-01	45
2007-01-01	57
2008-01-01	56
2009-01-01	50
2010-01-01	68
2011-01-01	50
2012-01-01	60
2013-01-01	57
2014-01-01	67
2015-01-01	70
2016-01-01	53