Year	Number of Firms
1992-01-01	116
1997-01-01	209
2002-01-01	210
2003-01-01	209
2004-01-01	215
2005-01-01	240
2006-01-01	298
2007-01-01	288
2008-01-01	296
2009-01-01	306
2010-01-01	327
2011-01-01	346
2012-01-01	350
2013-01-01	355
2014-01-01	439
2015-01-01	445
2016-01-01	464