Year	Number of Firms
1992-01-01	129
1997-01-01	163
2002-01-01	144
2003-01-01	136
2004-01-01	142
2005-01-01	137
2006-01-01	161
2007-01-01	185
2008-01-01	182
2009-01-01	173
2010-01-01	193
2011-01-01	181
2012-01-01	166
2013-01-01	174
2014-01-01	170
2015-01-01	174
2016-01-01	184