Year	Number of Firms
1992-01-01	15
1997-01-01	20
2002-01-01	33
2003-01-01	30
2004-01-01	33
2005-01-01	35
2006-01-01	40
2007-01-01	49
2008-01-01	63
2009-01-01	51
2010-01-01	36
2011-01-01	42
2012-01-01	49
2013-01-01	49
2014-01-01	67
2015-01-01	46
2016-01-01	41