Year	Number of Firms
1992-01-01	20
1997-01-01	22
2002-01-01	92
2003-01-01	79
2004-01-01	104
2005-01-01	102
2006-01-01	120
2007-01-01	141
2008-01-01	114
2009-01-01	89
2010-01-01	57
2011-01-01	68
2012-01-01	59
2013-01-01	62
2014-01-01	61
2015-01-01	57
2016-01-01	60