Year	Number of Firms
1992-01-01	164
1997-01-01	207
2002-01-01	196
2003-01-01	194
2004-01-01	239
2005-01-01	231
2006-01-01	232
2007-01-01	260
2008-01-01	298
2009-01-01	236
2010-01-01	205
2011-01-01	195
2012-01-01	168
2013-01-01	174
2014-01-01	147
2015-01-01	154
2016-01-01	136