Year	Number of Firms
1992-01-01	35
1997-01-01	33
2002-01-01	40
2003-01-01	43
2004-01-01	47
2005-01-01	45
2006-01-01	43
2007-01-01	55
2008-01-01	59
2009-01-01	51
2010-01-01	47
2011-01-01	50
2012-01-01	56
2013-01-01	48
2014-01-01	59
2015-01-01	57
2016-01-01	55