Year	Number of Firms
1992-01-01	31
1997-01-01	29
2002-01-01	42
2003-01-01	41
2004-01-01	47
2005-01-01	51
2006-01-01	52
2007-01-01	65
2008-01-01	62
2009-01-01	70
2010-01-01	64
2011-01-01	76
2012-01-01	89
2013-01-01	74
2014-01-01	78
2015-01-01	78
2016-01-01	78
