Year	Number of Firms
1992-01-01	10
1997-01-01	29
2002-01-01	45
2003-01-01	38
2004-01-01	41
2005-01-01	41
2006-01-01	53
2007-01-01	55
2008-01-01	48
2009-01-01	68
2010-01-01	66
2011-01-01	73
2012-01-01	63
2013-01-01	71
2014-01-01	61
2015-01-01	69
2016-01-01	85