Year	Number of Firms
1992-01-01	18
1997-01-01	15
2002-01-01	24
2003-01-01	25
2004-01-01	31
2005-01-01	30
2006-01-01	28
2007-01-01	35
2008-01-01	39
2009-01-01	39
2010-01-01	37
2011-01-01	40
2012-01-01	35
2013-01-01	32
2014-01-01	32
2015-01-01	37
2016-01-01	44