Year	Number of Firms
1992-01-01	17
1997-01-01	52
2002-01-01	47
2003-01-01	56
2004-01-01	72
2005-01-01	56
2006-01-01	54
2007-01-01	79
2008-01-01	101
2009-01-01	79
2010-01-01	102
2011-01-01	112
2012-01-01	107
2013-01-01	111
2014-01-01	116
2015-01-01	99
2016-01-01	117