Year	Number of Firms
1992-01-01	1279
1997-01-01	1536
2002-01-01	1748
2003-01-01	1731
2004-01-01	1752
2005-01-01	1626
2006-01-01	1620
2007-01-01	1685
2008-01-01	1652
2009-01-01	1601
2010-01-01	1694
2011-01-01	1750
2012-01-01	1696
2013-01-01	1655
2014-01-01	1582
2015-01-01	1520
2016-01-01	1390