Year	Number of Firms
1992-01-01	13
1997-01-01	29
2002-01-01	56
2003-01-01	49
2004-01-01	51
2005-01-01	40
2006-01-01	47
2007-01-01	55
2008-01-01	69
2009-01-01	74
2010-01-01	63
2011-01-01	54
2012-01-01	46
2013-01-01	48
2014-01-01	38
2015-01-01	34
2016-01-01	41