Year	Number of Firms
1992-01-01	29
1997-01-01	52
2002-01-01	40
2003-01-01	52
2004-01-01	53
2005-01-01	69
2006-01-01	70
2007-01-01	58
2008-01-01	67
2009-01-01	68
2010-01-01	71
2011-01-01	82
2012-01-01	102
2013-01-01	97
2014-01-01	91
2015-01-01	90
2016-01-01	88