Year	Number of Firms
1992-01-01	20
1997-01-01	100
2002-01-01	102
2003-01-01	128
2004-01-01	200
2005-01-01	283
2006-01-01	289
2007-01-01	371
2008-01-01	433
2009-01-01	262
2010-01-01	260
2011-01-01	278
2012-01-01	263
2013-01-01	247
2014-01-01	199
2015-01-01	210
2016-01-01	260