Year	Number of Firms
1992-01-01	3
1997-01-01	10
2002-01-01	10
2003-01-01	13
2004-01-01	19
2005-01-01	20
2006-01-01	25
2007-01-01	28
2008-01-01	37
2009-01-01	28
2010-01-01	28
2011-01-01	35
2012-01-01	43
2013-01-01	40
2014-01-01	33
2015-01-01	30
2016-01-01	42