Year	Number of Firms
1992-01-01	4
1997-01-01	5
2002-01-01	10
2003-01-01	15
2004-01-01	18
2005-01-01	17
2006-01-01	22
2007-01-01	20
2008-01-01	22
2009-01-01	32
2010-01-01	29
2011-01-01	40
2012-01-01	44
2013-01-01	44
2014-01-01	27
2015-01-01	34
2016-01-01	28