Year	Number of Firms
1992-01-01	15
1997-01-01	15
2002-01-01	23
2003-01-01	25
2004-01-01	27
2005-01-01	28
2006-01-01	29
2007-01-01	33
2008-01-01	33
2009-01-01	37
2010-01-01	38
2011-01-01	35
2012-01-01	42
2013-01-01	51
2014-01-01	50
2015-01-01	54
2016-01-01	54