Year	Number of Firms
1997-01-01	18
2002-01-01	33
2003-01-01	39
2004-01-01	44
2005-01-01	37
2006-01-01	44
2007-01-01	65
2008-01-01	56
2009-01-01	89
2010-01-01	97
2011-01-01	97
2012-01-01	101
2013-01-01	94
2014-01-01	87
2015-01-01	116
2016-01-01	123