Year	Number of Firms
1992-01-01	22
1997-01-01	23
2002-01-01	16
2003-01-01	14
2004-01-01	12
2005-01-01	15
2006-01-01	12
2007-01-01	8
2008-01-01	30
2009-01-01	16
2010-01-01	18
2011-01-01	20
2012-01-01	22
2013-01-01	28
2014-01-01	23
2015-01-01	26
2016-01-01	27