Year	Number of Firms
1992-01-01	11
1997-01-01	45
2002-01-01	24
2003-01-01	43
2004-01-01	37
2005-01-01	48
2006-01-01	48
2007-01-01	56
2008-01-01	63
2009-01-01	67
2010-01-01	67
2011-01-01	43
2012-01-01	51
2013-01-01	53
2014-01-01	52
2015-01-01	48
2016-01-01	37