Year	Number of Firms
1992-01-01	10
1997-01-01	21
2002-01-01	39
2003-01-01	26
2004-01-01	31
2005-01-01	27
2006-01-01	37
2007-01-01	45
2008-01-01	44
2009-01-01	37
2010-01-01	42
2011-01-01	40
2012-01-01	45
2013-01-01	34
2014-01-01	34
2015-01-01	47
2016-01-01	44