Year	Number of Firms
1992-01-01	31
1997-01-01	31
2002-01-01	39
2003-01-01	41
2004-01-01	46
2005-01-01	50
2006-01-01	44
2007-01-01	60
2008-01-01	60
2009-01-01	51
2010-01-01	57
2011-01-01	58
2012-01-01	54
2013-01-01	51
2014-01-01	59
2015-01-01	47
2016-01-01	46