Year	Number of Firms
1992-01-01	78
1997-01-01	102
2002-01-01	85
2003-01-01	76
2004-01-01	63
2005-01-01	51
2006-01-01	52
2007-01-01	56
2008-01-01	54
2009-01-01	43
2010-01-01	46
2011-01-01	45
2012-01-01	47
2013-01-01	39
2014-01-01	38
2015-01-01	47
2016-01-01	50