Year	Number of Firms
1992-01-01	37
1997-01-01	36
2002-01-01	46
2003-01-01	47
2004-01-01	44
2005-01-01	46
2006-01-01	47
2007-01-01	56
2008-01-01	47
2009-01-01	56
2010-01-01	66
2011-01-01	60
2012-01-01	70
2013-01-01	74
2014-01-01	75
2015-01-01	75
2016-01-01	58