Year	Number of Firms
1992-01-01	1
2003-01-01	6
2004-01-01	29
2005-01-01	24
2006-01-01	24
2007-01-01	26
2008-01-01	32
2009-01-01	37
2010-01-01	25
2011-01-01	30
2012-01-01	30
2013-01-01	36
2014-01-01	34
2015-01-01	27
2016-01-01	28