Year	Number of Firms
1992-01-01	94
1997-01-01	117
2002-01-01	156
2003-01-01	156
2004-01-01	162
2005-01-01	174
2006-01-01	194
2007-01-01	230
2008-01-01	242
2009-01-01	192
2010-01-01	215
2011-01-01	239
2012-01-01	260
2013-01-01	261
2014-01-01	286
2015-01-01	273
2016-01-01	286