Year	Number of Firms
1992-01-01	234
1997-01-01	250
2002-01-01	289
2003-01-01	300
2004-01-01	340
2005-01-01	350
2006-01-01	379
2007-01-01	407
2008-01-01	427
2009-01-01	375
2010-01-01	389
2011-01-01	403
2012-01-01	362
2013-01-01	358
2014-01-01	376
2015-01-01	368
2016-01-01	367