Year	Number of Firms
1992-01-01	31
1997-01-01	38
2002-01-01	30
2003-01-01	37
2004-01-01	46
2005-01-01	43
2006-01-01	37
2007-01-01	40
2008-01-01	54
2009-01-01	59
2010-01-01	57
2011-01-01	60
2012-01-01	56
2013-01-01	46
2014-01-01	52
2015-01-01	52
2016-01-01	51