Year	Number of Firms
1992-01-01	27
1997-01-01	57
2002-01-01	56
2003-01-01	74
2004-01-01	83
2005-01-01	103
2006-01-01	122
2007-01-01	129
2008-01-01	151
2009-01-01	109
2010-01-01	112
2011-01-01	133
2012-01-01	121
2013-01-01	123
2014-01-01	119
2015-01-01	121
2016-01-01	117
