Year	Number of Firms
1992-01-01	140
1997-01-01	243
2002-01-01	210
2003-01-01	234
2004-01-01	223
2005-01-01	252
2006-01-01	267
2007-01-01	324
2008-01-01	336
2009-01-01	316
2010-01-01	357
2011-01-01	396
2012-01-01	397
2013-01-01	406
2014-01-01	420
2015-01-01	408
2016-01-01	417