Year	Number of Firms
1992-01-01	6
1997-01-01	24
2002-01-01	56
2003-01-01	70
2004-01-01	77
2005-01-01	85
2006-01-01	97
2007-01-01	112
2008-01-01	110
2009-01-01	130
2010-01-01	132
2011-01-01	153
2012-01-01	163
2013-01-01	168
2014-01-01	151
2015-01-01	151
2016-01-01	115