Year	Number of Firms
1992-01-01	1
1997-01-01	6
2002-01-01	14
2003-01-01	10
2004-01-01	17
2005-01-01	19
2006-01-01	19
2007-01-01	24
2008-01-01	22
2009-01-01	41
2010-01-01	27
2011-01-01	32
2012-01-01	29
2013-01-01	43
2014-01-01	33
2015-01-01	32
2016-01-01	27