Year	Number of Firms
1992-01-01	43
1997-01-01	52
2002-01-01	58
2003-01-01	50
2004-01-01	50
2005-01-01	51
2006-01-01	41
2007-01-01	36
2008-01-01	49
2009-01-01	36
2010-01-01	44
2011-01-01	45
2012-01-01	24
2013-01-01	15
2014-01-01	13
2015-01-01	18
2016-01-01	14