Year	Number of Firms
1992-01-01	391
1997-01-01	491
2002-01-01	558
2003-01-01	543
2004-01-01	571
2005-01-01	563
2006-01-01	580
2007-01-01	559
2008-01-01	635
2009-01-01	618
2010-01-01	621
2011-01-01	677
2012-01-01	652
2013-01-01	647
2014-01-01	639
2015-01-01	629
2016-01-01	578