Year	Number of Firms
1997-01-01	20
2002-01-01	32
2003-01-01	49
2004-01-01	51
2005-01-01	58
2006-01-01	67
2007-01-01	81
2008-01-01	118
2009-01-01	94
2010-01-01	83
2011-01-01	90
2012-01-01	102
2013-01-01	103
2014-01-01	111
2015-01-01	103
2016-01-01	109