Year	Number of Firms
1992-01-01	5
1997-01-01	16
2002-01-01	21
2003-01-01	21
2004-01-01	24
2005-01-01	28
2006-01-01	26
2007-01-01	29
2008-01-01	29
2009-01-01	40
2010-01-01	37
2011-01-01	34
2012-01-01	34
2013-01-01	45
2014-01-01	39
2015-01-01	36
2016-01-01	34