Year	Number of Firms
1992-01-01	41
1997-01-01	110
2002-01-01	120
2003-01-01	135
2004-01-01	165
2005-01-01	169
2006-01-01	182
2007-01-01	229
2008-01-01	288
2009-01-01	376
2010-01-01	502
2011-01-01	438
2012-01-01	378
2013-01-01	379
2014-01-01	363
2015-01-01	347
2016-01-01	376