Year	Number of Firms
1992-01-01	65
1997-01-01	87
2002-01-01	74
2003-01-01	76
2004-01-01	91
2005-01-01	106
2006-01-01	121
2007-01-01	123
2008-01-01	145
2009-01-01	134
2010-01-01	150
2011-01-01	140
2012-01-01	147
2013-01-01	141
2014-01-01	147
2015-01-01	150
2016-01-01	133
