Year	Number of Firms
1992-01-01	75
1997-01-01	120
2002-01-01	160
2003-01-01	145
2004-01-01	167
2005-01-01	163
2006-01-01	169
2007-01-01	191
2008-01-01	177
2009-01-01	151
2010-01-01	145
2011-01-01	133
2012-01-01	128
2013-01-01	140
2014-01-01	141
2015-01-01	145
2016-01-01	161