Year	Number of Firms
1992-01-01	65
1997-01-01	98
2002-01-01	109
2003-01-01	75
2004-01-01	116
2005-01-01	127
2006-01-01	144
2007-01-01	144
2008-01-01	144
2009-01-01	117
2010-01-01	120
2011-01-01	134
2012-01-01	129
2013-01-01	103
2014-01-01	96
2015-01-01	75
2016-01-01	52