Year	Number of Firms
1992-01-01	8
1997-01-01	18
2002-01-01	30
2003-01-01	21
2004-01-01	30
2005-01-01	34
2006-01-01	29
2007-01-01	33
2008-01-01	31
2009-01-01	41
2010-01-01	39
2011-01-01	47
2012-01-01	49
2013-01-01	49
2014-01-01	57
2015-01-01	56
2016-01-01	40