Year	Number of Firms
1992-01-01	24
1997-01-01	34
2002-01-01	51
2003-01-01	44
2004-01-01	49
2005-01-01	36
2006-01-01	39
2007-01-01	36
2008-01-01	44
2009-01-01	39
2010-01-01	49
2011-01-01	43
2012-01-01	56
2013-01-01	57
2014-01-01	55
2015-01-01	49
2016-01-01	69