Year	Number of Firms
1992-01-01	243
1997-01-01	331
2002-01-01	390
2003-01-01	391
2004-01-01	427
2005-01-01	408
2006-01-01	485
2007-01-01	589
2008-01-01	625
2009-01-01	590
2010-01-01	664
2011-01-01	669
2012-01-01	646
2013-01-01	643
2014-01-01	644
2015-01-01	654
2016-01-01	626