Year	Number of Firms
1992-01-01	41
1997-01-01	69
2002-01-01	77
2003-01-01	77
2004-01-01	75
2005-01-01	95
2006-01-01	97
2007-01-01	91
2008-01-01	93
2009-01-01	95
2010-01-01	114
2011-01-01	131
2012-01-01	131
2013-01-01	139
2014-01-01	145
2015-01-01	139
2016-01-01	163