Year	Number of Firms
1992-01-01	10
1997-01-01	13
2002-01-01	23
2003-01-01	23
2004-01-01	32
2005-01-01	40
2006-01-01	43
2007-01-01	51
2008-01-01	54
2009-01-01	57
2010-01-01	49
2011-01-01	55
2012-01-01	56
2013-01-01	56
2014-01-01	68
2015-01-01	56
2016-01-01	48