Year	Number of Firms
1992-01-01	8
1997-01-01	14
2002-01-01	18
2003-01-01	23
2004-01-01	21
2005-01-01	26
2006-01-01	28
2007-01-01	23
2008-01-01	38
2009-01-01	33
2010-01-01	37
2011-01-01	38
2012-01-01	27
2013-01-01	33
2014-01-01	35
2015-01-01	43
2016-01-01	48