Year	Number of Firms
1992-01-01	10
1997-01-01	7
2002-01-01	14
2003-01-01	15
2004-01-01	20
2005-01-01	20
2006-01-01	27
2007-01-01	31
2008-01-01	30
2009-01-01	38
2010-01-01	29
2011-01-01	30
2012-01-01	41
2013-01-01	33
2014-01-01	40
2015-01-01	41
2016-01-01	35