Year	Number of Firms
1992-01-01	102
1997-01-01	151
2002-01-01	164
2003-01-01	162
2004-01-01	176
2005-01-01	197
2006-01-01	196
2007-01-01	231
2008-01-01	245
2009-01-01	230
2010-01-01	246
2011-01-01	229
2012-01-01	239
2013-01-01	235
2014-01-01	221
2015-01-01	221
2016-01-01	238