Year	Number of Firms
1992-01-01	17
1997-01-01	30
2002-01-01	37
2003-01-01	46
2004-01-01	40
2005-01-01	56
2006-01-01	45
2007-01-01	80
2008-01-01	86
2009-01-01	61
2010-01-01	81
2011-01-01	62
2012-01-01	55
2013-01-01	67
2014-01-01	66
2015-01-01	56
2016-01-01	67
