Year	Number of Firms
1992-01-01	22
1997-01-01	51
2002-01-01	56
2003-01-01	62
2004-01-01	61
2005-01-01	50
2006-01-01	65
2007-01-01	66
2008-01-01	76
2009-01-01	69
2010-01-01	87
2011-01-01	87
2012-01-01	100
2013-01-01	84
2014-01-01	91
2015-01-01	87
2016-01-01	83