Year	Number of Firms
1992-01-01	49
1997-01-01	57
2002-01-01	46
2003-01-01	37
2004-01-01	52
2005-01-01	55
2006-01-01	79
2007-01-01	82
2008-01-01	71
2009-01-01	75
2010-01-01	63
2011-01-01	64
2012-01-01	76
2013-01-01	86
2014-01-01	76
2015-01-01	79
2016-01-01	80