Year	Number of Firms
1992-01-01	307
1997-01-01	448
2002-01-01	430
2003-01-01	439
2004-01-01	515
2005-01-01	529
2006-01-01	511
2007-01-01	546
2008-01-01	603
2009-01-01	580
2010-01-01	615
2011-01-01	685
2012-01-01	686
2013-01-01	679
2014-01-01	664
2015-01-01	672
2016-01-01	656