Year	Number of Firms
1992-01-01	10
1997-01-01	30
2002-01-01	13
2003-01-01	7
2004-01-01	8
2005-01-01	15
2006-01-01	18
2007-01-01	21
2008-01-01	30
2009-01-01	36
2010-01-01	40
2011-01-01	41
2012-01-01	39
2013-01-01	29
2014-01-01	36
2015-01-01	40
2016-01-01	38