Year	Number of Firms
1992-01-01	16
1997-01-01	26
2002-01-01	23
2003-01-01	25
2004-01-01	35
2005-01-01	39
2006-01-01	44
2007-01-01	50
2008-01-01	51
2009-01-01	49
2010-01-01	37
2011-01-01	42
2012-01-01	51
2013-01-01	57
2014-01-01	56
2015-01-01	52
2016-01-01	55