Year	Number of Firms
1992-01-01	114
1997-01-01	147
2002-01-01	150
2003-01-01	194
2004-01-01	201
2005-01-01	195
2006-01-01	215
2007-01-01	225
2008-01-01	273
2009-01-01	240
2010-01-01	235
2011-01-01	250
2012-01-01	233
2013-01-01	258
2014-01-01	284
2015-01-01	251
2016-01-01	259