Year	Number of Firms
1992-01-01	18
1997-01-01	45
2002-01-01	46
2003-01-01	65
2004-01-01	62
2005-01-01	70
2006-01-01	69
2007-01-01	76
2008-01-01	93
2009-01-01	87
2010-01-01	95
2011-01-01	112
2012-01-01	124
2013-01-01	132
2014-01-01	131
2015-01-01	134
2016-01-01	159