Year	Number of Firms
1992-01-01	166
1997-01-01	196
2002-01-01	183
2003-01-01	199
2004-01-01	223
2005-01-01	243
2006-01-01	251
2007-01-01	276
2008-01-01	289
2009-01-01	282
2010-01-01	302
2011-01-01	332
2012-01-01	320
2013-01-01	331
2014-01-01	310
2015-01-01	305
2016-01-01	310