Year	Number of Firms
1997-01-01	53
2002-01-01	108
2003-01-01	114
2004-01-01	123
2005-01-01	134
2006-01-01	145
2007-01-01	154
2008-01-01	187
2009-01-01	156
2010-01-01	213
2011-01-01	211
2012-01-01	230
2013-01-01	234
2014-01-01	262
2015-01-01	245
2016-01-01	265