Year	Number of Firms
1992-01-01	61
1997-01-01	128
2002-01-01	291
2003-01-01	358
2004-01-01	397
2005-01-01	436
2006-01-01	467
2007-01-01	513
2008-01-01	585
2009-01-01	581
2010-01-01	598
2011-01-01	640
2012-01-01	648
2013-01-01	684
2014-01-01	726
2015-01-01	711
2016-01-01	732