Year	Number of Firms
1992-01-01	11
1997-01-01	17
2002-01-01	33
2003-01-01	53
2004-01-01	60
2005-01-01	57
2006-01-01	57
2007-01-01	59
2008-01-01	68
2009-01-01	53
2010-01-01	65
2011-01-01	87
2012-01-01	95
2013-01-01	83
2014-01-01	70
2015-01-01	74
2016-01-01	85