Year	Number of Firms
1997-01-01	41
2002-01-01	69
2003-01-01	77
2004-01-01	92
2005-01-01	102
2006-01-01	96
2007-01-01	126
2008-01-01	129
2009-01-01	125
2010-01-01	126
2011-01-01	158
2012-01-01	149
2013-01-01	156
2014-01-01	170
2015-01-01	146
2016-01-01	151