Year	Number of Firms
1992-01-01	46
1997-01-01	83
2002-01-01	59
2003-01-01	73
2004-01-01	93
2005-01-01	138
2006-01-01	137
2007-01-01	140
2008-01-01	147
2009-01-01	141
2010-01-01	169
2011-01-01	167
2012-01-01	193
2013-01-01	174
2014-01-01	184
2015-01-01	174
2016-01-01	151