Year	Number of Firms
1992-01-01	1
1997-01-01	47
2002-01-01	111
2003-01-01	124
2004-01-01	143
2005-01-01	155
2006-01-01	151
2007-01-01	205
2008-01-01	232
2009-01-01	243
2010-01-01	279
2011-01-01	299
2012-01-01	289
2013-01-01	321
2014-01-01	386
2015-01-01	356
2016-01-01	350