Year	Number of Firms
1992-01-01	13
1997-01-01	21
2002-01-01	24
2003-01-01	28
2004-01-01	32
2005-01-01	34
2006-01-01	43
2007-01-01	42
2008-01-01	47
2009-01-01	45
2010-01-01	46
2011-01-01	36
2012-01-01	43
2013-01-01	40
2014-01-01	40
2015-01-01	48
2016-01-01	69