Year	Number of Firms
1992-01-01	2282
1997-01-01	3893
2002-01-01	3381
2003-01-01	3221
2004-01-01	3008
2005-01-01	3086
2006-01-01	3320
2007-01-01	3696
2008-01-01	3763
2009-01-01	3528
2010-01-01	3607
2011-01-01	3822
2012-01-01	3797
2013-01-01	3842
2014-01-01	3822
2015-01-01	3684
2016-01-01	3487