Year	Number of Firms
1992-01-01	9
1997-01-01	49
2002-01-01	66
2003-01-01	71
2004-01-01	56
2005-01-01	77
2006-01-01	67
2007-01-01	78
2008-01-01	81
2009-01-01	80
2010-01-01	135
2011-01-01	113
2012-01-01	108
2013-01-01	107
2014-01-01	108
2015-01-01	95
2016-01-01	111