Year	Number of Firms
1992-01-01	255
1997-01-01	308
2002-01-01	269
2003-01-01	265
2004-01-01	292
2005-01-01	300
2006-01-01	290
2007-01-01	325
2008-01-01	319
2009-01-01	314
2010-01-01	316
2011-01-01	336
2012-01-01	323
2013-01-01	311
2014-01-01	298
2015-01-01	274
2016-01-01	248