Year	Number of Firms
1992-01-01	33
1997-01-01	46
2002-01-01	41
2003-01-01	49
2004-01-01	56
2005-01-01	57
2006-01-01	57
2007-01-01	61
2008-01-01	74
2009-01-01	64
2010-01-01	80
2011-01-01	76
2012-01-01	72
2013-01-01	73
2014-01-01	73
2015-01-01	60
2016-01-01	68