Year	Number of Firms
1992-01-01	7
1997-01-01	15
2002-01-01	21
2003-01-01	23
2004-01-01	24
2005-01-01	25
2006-01-01	40
2007-01-01	38
2008-01-01	36
2009-01-01	50
2010-01-01	35
2011-01-01	39
2012-01-01	51
2013-01-01	42
2014-01-01	51
2015-01-01	56
2016-01-01	49