Year	Number of Firms
1992-01-01	29
1997-01-01	41
2002-01-01	45
2003-01-01	50
2004-01-01	51
2005-01-01	51
2006-01-01	53
2007-01-01	76
2008-01-01	74
2009-01-01	71
2010-01-01	67
2011-01-01	82
2012-01-01	81
2013-01-01	84
2014-01-01	71
2015-01-01	63
2016-01-01	65