Year	Number of Firms
1992-01-01	18
1997-01-01	32
2002-01-01	24
2003-01-01	22
2004-01-01	27
2005-01-01	28
2006-01-01	31
2007-01-01	30
2008-01-01	40
2009-01-01	35
2010-01-01	43
2011-01-01	35
2012-01-01	30
2013-01-01	42
2014-01-01	40
2015-01-01	37
2016-01-01	36