Year	Number of Firms
1992-01-01	31
1997-01-01	32
2002-01-01	37
2003-01-01	36
2004-01-01	37
2005-01-01	35
2006-01-01	46
2007-01-01	47
2008-01-01	49
2009-01-01	56
2010-01-01	67
2011-01-01	67
2012-01-01	77
2013-01-01	84
2014-01-01	81
2015-01-01	80
2016-01-01	87