Year	Number of Firms
1992-01-01	43
1997-01-01	86
2002-01-01	97
2003-01-01	89
2004-01-01	93
2005-01-01	96
2006-01-01	109
2007-01-01	113
2008-01-01	121
2009-01-01	132
2010-01-01	144
2011-01-01	141
2012-01-01	147
2013-01-01	140
2014-01-01	136
2015-01-01	151
2016-01-01	155