Year	Number of Firms
1992-01-01	176
1997-01-01	214
2002-01-01	234
2003-01-01	254
2004-01-01	258
2005-01-01	268
2006-01-01	274
2007-01-01	312
2008-01-01	326
2009-01-01	308
2010-01-01	331
2011-01-01	365
2012-01-01	370
2013-01-01	360
2014-01-01	355
2015-01-01	328
2016-01-01	315