Year	Number of Firms
1992-01-01	11
1997-01-01	15
2002-01-01	19
2003-01-01	17
2004-01-01	24
2005-01-01	30
2006-01-01	32
2007-01-01	30
2008-01-01	48
2009-01-01	48
2010-01-01	50
2011-01-01	57
2012-01-01	50
2013-01-01	62
2014-01-01	56
2015-01-01	47
2016-01-01	39