Year	Number of Firms
1992-01-01	10
1997-01-01	16
2002-01-01	14
2003-01-01	11
2004-01-01	26
2005-01-01	19
2006-01-01	23
2007-01-01	25
2008-01-01	28
2009-01-01	30
2010-01-01	32
2011-01-01	37
2012-01-01	33
2013-01-01	30
2014-01-01	35
2015-01-01	33
2016-01-01	35