Year	Number of Firms
1992-01-01	3
1997-01-01	7
2002-01-01	15
2003-01-01	36
2004-01-01	35
2005-01-01	48
2006-01-01	45
2007-01-01	49
2008-01-01	62
2009-01-01	43
2010-01-01	36
2011-01-01	45
2012-01-01	42
2013-01-01	37
2014-01-01	28
2015-01-01	27
2016-01-01	27