Year	Number of Firms
1992-01-01	13
1997-01-01	16
2002-01-01	24
2003-01-01	35
2004-01-01	30
2005-01-01	32
2006-01-01	37
2007-01-01	37
2008-01-01	31
2009-01-01	39
2010-01-01	43
2011-01-01	67
2012-01-01	73
2013-01-01	60
2014-01-01	74
2015-01-01	60
2016-01-01	67