Year	Number of Firms
1992-01-01	175
1997-01-01	203
2002-01-01	208
2003-01-01	217
2004-01-01	263
2005-01-01	266
2006-01-01	261
2007-01-01	287
2008-01-01	301
2009-01-01	318
2010-01-01	323
2011-01-01	324
2012-01-01	326
2013-01-01	304
2014-01-01	311
2015-01-01	288
2016-01-01	309