Year	Number of Firms
1992-01-01	33
1997-01-01	32
2002-01-01	39
2003-01-01	33
2004-01-01	39
2005-01-01	40
2006-01-01	39
2007-01-01	33
2008-01-01	36
2009-01-01	31
2010-01-01	37
2011-01-01	43
2012-01-01	44
2013-01-01	40
2014-01-01	35
2015-01-01	22
2016-01-01	18