Year	Number of Firms
1992-01-01	90
1997-01-01	174
2002-01-01	175
2003-01-01	229
2004-01-01	261
2005-01-01	291
2006-01-01	351
2007-01-01	390
2008-01-01	499
2009-01-01	570
2010-01-01	601
2011-01-01	560
2012-01-01	560
2013-01-01	588
2014-01-01	581
2015-01-01	648
2016-01-01	679