Year	Number of Firms
1992-01-01	1359
1997-01-01	2259
2002-01-01	2203
2003-01-01	2263
2004-01-01	2275
2005-01-01	2240
2006-01-01	2249
2007-01-01	2475
2008-01-01	2598
2009-01-01	2408
2010-01-01	2665
2011-01-01	2759
2012-01-01	2561
2013-01-01	2634
2014-01-01	2742
2015-01-01	2621
2016-01-01	2457