Year	Number of Firms
1992-01-01	140
1997-01-01	187
2002-01-01	173
2003-01-01	197
2004-01-01	216
2005-01-01	207
2006-01-01	162
2007-01-01	224
2008-01-01	207
2009-01-01	208
2010-01-01	205
2011-01-01	196
2012-01-01	198
2013-01-01	209
2014-01-01	229
2015-01-01	221
2016-01-01	200