Year	Number of Firms
1992-01-01	31
1997-01-01	47
2002-01-01	44
2003-01-01	37
2004-01-01	40
2005-01-01	49
2006-01-01	51
2007-01-01	55
2008-01-01	58
2009-01-01	61
2010-01-01	72
2011-01-01	68
2012-01-01	69
2013-01-01	69
2014-01-01	61
2015-01-01	69
2016-01-01	75