Year	Number of Firms
1992-01-01	24
1997-01-01	28
2002-01-01	29
2003-01-01	33
2004-01-01	30
2005-01-01	38
2006-01-01	39
2007-01-01	34
2008-01-01	38
2009-01-01	45
2010-01-01	32
2011-01-01	36
2012-01-01	33
2013-01-01	40
2014-01-01	47
2015-01-01	36
2016-01-01	36