Year	Number of Firms
1992-01-01	199
1997-01-01	287
2002-01-01	288
2003-01-01	330
2004-01-01	333
2005-01-01	328
2006-01-01	334
2007-01-01	346
2008-01-01	380
2009-01-01	344
2010-01-01	359
2011-01-01	372
2012-01-01	360
2013-01-01	341
2014-01-01	336
2015-01-01	336
2016-01-01	317