Year	Number of Firms
1992-01-01	9
1997-01-01	23
2002-01-01	9
2003-01-01	16
2004-01-01	21
2005-01-01	27
2006-01-01	33
2007-01-01	28
2008-01-01	28
2009-01-01	29
2010-01-01	30
2011-01-01	47
2012-01-01	57
2013-01-01	43
2014-01-01	53
2015-01-01	55
2016-01-01	54