Year	Number of Firms
1992-01-01	28
1997-01-01	34
2002-01-01	46
2003-01-01	40
2004-01-01	49
2005-01-01	46
2006-01-01	42
2007-01-01	50
2008-01-01	48
2009-01-01	45
2010-01-01	46
2011-01-01	48
2012-01-01	47
2013-01-01	51
2014-01-01	48
2015-01-01	66
2016-01-01	45