Year	Number of Firms
1992-01-01	18
1997-01-01	26
2002-01-01	30
2003-01-01	25
2004-01-01	20
2005-01-01	39
2006-01-01	44
2007-01-01	51
2008-01-01	45
2009-01-01	55
2010-01-01	67
2011-01-01	71
2012-01-01	67
2013-01-01	67
2014-01-01	65
2015-01-01	95
2016-01-01	89
