Year	Number of Firms
1992-01-01	34
1997-01-01	42
2002-01-01	73
2003-01-01	74
2004-01-01	78
2005-01-01	89
2006-01-01	99
2007-01-01	89
2008-01-01	124
2009-01-01	113
2010-01-01	147
2011-01-01	136
2012-01-01	151
2013-01-01	134
2014-01-01	153
2015-01-01	145
2016-01-01	145