Year	Number of Firms
1992-01-01	47
1997-01-01	58
2002-01-01	81
2003-01-01	75
2004-01-01	71
2005-01-01	73
2006-01-01	80
2007-01-01	89
2008-01-01	93
2009-01-01	99
2010-01-01	128
2011-01-01	156
2012-01-01	165
2013-01-01	162
2014-01-01	159
2015-01-01	161
2016-01-01	137