Year	Number of Firms
1992-01-01	100
1997-01-01	252
2002-01-01	285
2003-01-01	310
2004-01-01	313
2005-01-01	306
2006-01-01	338
2007-01-01	359
2008-01-01	407
2009-01-01	374
2010-01-01	429
2011-01-01	451
2012-01-01	447
2013-01-01	447
2014-01-01	457
2015-01-01	419
2016-01-01	407