Year	Number of Firms
1992-01-01	10
1997-01-01	15
2002-01-01	17
2003-01-01	28
2004-01-01	33
2005-01-01	37
2006-01-01	42
2007-01-01	37
2008-01-01	48
2009-01-01	40
2010-01-01	40
2011-01-01	43
2012-01-01	43
2013-01-01	49
2014-01-01	47
2015-01-01	35
2016-01-01	38