Year	Number of Firms
1992-01-01	31
1997-01-01	61
2002-01-01	74
2003-01-01	82
2004-01-01	111
2005-01-01	141
2006-01-01	117
2007-01-01	135
2008-01-01	109
2009-01-01	70
2010-01-01	74
2011-01-01	91
2012-01-01	81
2013-01-01	84
2014-01-01	82
2015-01-01	76
2016-01-01	108