Year	Number of Firms
1992-01-01	22
1997-01-01	34
2002-01-01	27
2003-01-01	31
2004-01-01	38
2005-01-01	29
2006-01-01	38
2007-01-01	47
2008-01-01	62
2009-01-01	40
2010-01-01	42
2011-01-01	54
2012-01-01	53
2013-01-01	50
2014-01-01	57
2015-01-01	49
2016-01-01	55