Year	Number of Firms
1992-01-01	18
1997-01-01	27
2002-01-01	16
2003-01-01	23
2004-01-01	27
2005-01-01	27
2006-01-01	34
2007-01-01	45
2008-01-01	56
2009-01-01	50
2010-01-01	72
2011-01-01	69
2012-01-01	76
2013-01-01	69
2014-01-01	76
2015-01-01	74
2016-01-01	69