Year	Number of Firms
1992-01-01	16
1997-01-01	34
2002-01-01	52
2003-01-01	58
2004-01-01	47
2005-01-01	55
2006-01-01	54
2007-01-01	74
2008-01-01	88
2009-01-01	76
2010-01-01	80
2011-01-01	74
2012-01-01	76
2013-01-01	63
2014-01-01	91
2015-01-01	72
2016-01-01	85