Year	Number of Firms
1992-01-01	26
1997-01-01	29
2002-01-01	23
2003-01-01	25
2004-01-01	34
2005-01-01	24
2006-01-01	28
2007-01-01	26
2008-01-01	29
2009-01-01	27
2010-01-01	30
2011-01-01	30
2012-01-01	28
2013-01-01	30
2014-01-01	25
2015-01-01	28
2016-01-01	36