Year	Number of Firms
1992-01-01	32
1997-01-01	30
2002-01-01	38
2003-01-01	29
2004-01-01	46
2005-01-01	37
2006-01-01	40
2007-01-01	34
2008-01-01	41
2009-01-01	48
2010-01-01	51
2011-01-01	51
2012-01-01	54
2013-01-01	46
2014-01-01	55
2015-01-01	40
2016-01-01	40