Year	Number of Firms
1992-01-01	17
1997-01-01	24
2002-01-01	26
2003-01-01	29
2004-01-01	29
2005-01-01	25
2006-01-01	24
2007-01-01	37
2008-01-01	36
2009-01-01	37
2010-01-01	39
2011-01-01	42
2012-01-01	51
2013-01-01	41
2014-01-01	42
2015-01-01	40
2016-01-01	30