Year	Number of Firms
1992-01-01	16
1997-01-01	28
2002-01-01	12
2003-01-01	13
2004-01-01	19
2005-01-01	18
2006-01-01	22
2007-01-01	30
2008-01-01	28
2009-01-01	43
2010-01-01	41
2011-01-01	39
2012-01-01	52
2013-01-01	55
2014-01-01	55
2015-01-01	50
2016-01-01	54