Year	Number of Firms
1992-01-01	19
1997-01-01	18
2002-01-01	26
2003-01-01	34
2004-01-01	30
2005-01-01	36
2006-01-01	33
2007-01-01	33
2008-01-01	45
2009-01-01	33
2010-01-01	41
2011-01-01	34
2012-01-01	28
2013-01-01	33
2014-01-01	29
2015-01-01	45
2016-01-01	40