Year	Number of Firms
1992-01-01	65
1997-01-01	142
2002-01-01	145
2003-01-01	152
2004-01-01	179
2005-01-01	201
2006-01-01	200
2007-01-01	205
2008-01-01	236
2009-01-01	190
2010-01-01	233
2011-01-01	256
2012-01-01	243
2013-01-01	250
2014-01-01	232
2015-01-01	233
2016-01-01	211