Year	Number of Firms
1992-01-01	35
1997-01-01	50
2002-01-01	61
2003-01-01	65
2004-01-01	76
2005-01-01	63
2006-01-01	67
2007-01-01	68
2008-01-01	79
2009-01-01	76
2010-01-01	63
2011-01-01	58
2012-01-01	47
2013-01-01	41
2014-01-01	51
2015-01-01	45
2016-01-01	52