Year	Number of Firms
1992-01-01	180
1997-01-01	198
2002-01-01	225
2003-01-01	234
2004-01-01	233
2005-01-01	236
2006-01-01	252
2007-01-01	274
2008-01-01	330
2009-01-01	363
2010-01-01	346
2011-01-01	362
2012-01-01	344
2013-01-01	350
2014-01-01	395
2015-01-01	397
2016-01-01	321