Year	Number of Firms
1992-01-01	9
1997-01-01	16
2002-01-01	8
2003-01-01	14
2004-01-01	24
2005-01-01	19
2006-01-01	22
2007-01-01	36
2008-01-01	36
2009-01-01	36
2010-01-01	47
2011-01-01	49
2012-01-01	55
2013-01-01	48
2014-01-01	46
2015-01-01	47
2016-01-01	43