Year	Number of Firms
1997-01-01	65
2002-01-01	69
2003-01-01	87
2004-01-01	93
2005-01-01	104
2006-01-01	120
2007-01-01	132
2008-01-01	138
2009-01-01	129
2010-01-01	166
2011-01-01	165
2012-01-01	164
2013-01-01	147
2014-01-01	166
2015-01-01	159
2016-01-01	170