Year	Number of Firms
1992-01-01	19
1997-01-01	24
2002-01-01	22
2003-01-01	27
2004-01-01	36
2005-01-01	26
2006-01-01	24
2007-01-01	29
2008-01-01	29
2009-01-01	30
2010-01-01	29
2011-01-01	38
2012-01-01	26
2013-01-01	20
2014-01-01	27
2015-01-01	25
2016-01-01	26