Year	Number of Firms
1992-01-01	3
1997-01-01	26
2002-01-01	33
2003-01-01	24
2004-01-01	23
2005-01-01	25
2006-01-01	35
2007-01-01	30
2008-01-01	40
2009-01-01	51
2010-01-01	37
2011-01-01	45
2012-01-01	49
2013-01-01	42
2014-01-01	47
2015-01-01	57
2016-01-01	50