Year	Number of Firms
1992-01-01	90
1997-01-01	102
2002-01-01	151
2003-01-01	179
2004-01-01	206
2005-01-01	256
2006-01-01	289
2007-01-01	298
2008-01-01	385
2009-01-01	469
2010-01-01	501
2011-01-01	453
2012-01-01	487
2013-01-01	462
2014-01-01	486
2015-01-01	453
2016-01-01	434