Year	Number of Firms
1992-01-01	18
1997-01-01	28
2002-01-01	24
2003-01-01	26
2004-01-01	34
2005-01-01	26
2006-01-01	28
2007-01-01	43
2008-01-01	34
2009-01-01	37
2010-01-01	47
2011-01-01	39
2012-01-01	36
2013-01-01	39
2014-01-01	50
2015-01-01	48
2016-01-01	42