Year	Number of Firms
1992-01-01	4
1997-01-01	9
2002-01-01	16
2003-01-01	10
2004-01-01	15
2005-01-01	16
2006-01-01	16
2007-01-01	20
2008-01-01	29
2009-01-01	26
2010-01-01	24
2011-01-01	31
2012-01-01	42
2013-01-01	45
2014-01-01	39
2015-01-01	43
2016-01-01	40