Year	Number of Firms
1992-01-01	103
1997-01-01	164
2002-01-01	81
2003-01-01	97
2004-01-01	126
2005-01-01	130
2006-01-01	140
2007-01-01	154
2008-01-01	171
2009-01-01	154
2010-01-01	165
2011-01-01	186
2012-01-01	163
2013-01-01	181
2014-01-01	153
2015-01-01	175
2016-01-01	186
