Year	Number of Firms
1992-01-01	13
1997-01-01	24
2002-01-01	24
2003-01-01	24
2004-01-01	26
2005-01-01	24
2006-01-01	30
2007-01-01	37
2008-01-01	43
2009-01-01	41
2010-01-01	48
2011-01-01	52
2012-01-01	61
2013-01-01	60
2014-01-01	72
2015-01-01	49
2016-01-01	62