Year	Number of Firms
1997-01-01	63
2002-01-01	80
2003-01-01	123
2004-01-01	157
2005-01-01	140
2006-01-01	125
2007-01-01	156
2008-01-01	166
2009-01-01	156
2010-01-01	163
2011-01-01	182
2012-01-01	187
2013-01-01	170
2014-01-01	180
2015-01-01	177
2016-01-01	200