Year	Number of Firms
1992-01-01	10
1997-01-01	14
2002-01-01	21
2003-01-01	16
2004-01-01	21
2005-01-01	26
2006-01-01	32
2007-01-01	36
2008-01-01	29
2009-01-01	36
2010-01-01	32
2011-01-01	34
2012-01-01	39
2013-01-01	40
2014-01-01	40
2015-01-01	34
2016-01-01	30