Year	Number of Firms
1992-01-01	134
1997-01-01	154
2002-01-01	175
2003-01-01	172
2004-01-01	174
2005-01-01	176
2006-01-01	190
2007-01-01	202
2008-01-01	232
2009-01-01	195
2010-01-01	198
2011-01-01	195
2012-01-01	186
2013-01-01	198
2014-01-01	212
2015-01-01	192
2016-01-01	192