Year	Number of Firms
1992-01-01	22
1997-01-01	27
2002-01-01	30
2003-01-01	35
2004-01-01	44
2005-01-01	53
2006-01-01	37
2007-01-01	47
2008-01-01	89
2009-01-01	50
2010-01-01	57
2011-01-01	59
2012-01-01	47
2013-01-01	57
2014-01-01	50
2015-01-01	53
2016-01-01	54