Year	Number of Firms
1992-01-01	143
1997-01-01	168
2002-01-01	186
2003-01-01	214
2004-01-01	208
2005-01-01	205
2006-01-01	247
2007-01-01	274
2008-01-01	289
2009-01-01	307
2010-01-01	357
2011-01-01	374
2012-01-01	372
2013-01-01	390
2014-01-01	378
2015-01-01	405
2016-01-01	409