Year	Number of Firms
1992-01-01	140
1997-01-01	222
2002-01-01	214
2003-01-01	225
2004-01-01	251
2005-01-01	262
2006-01-01	274
2007-01-01	340
2008-01-01	361
2009-01-01	348
2010-01-01	382
2011-01-01	400
2012-01-01	422
2013-01-01	412
2014-01-01	430
2015-01-01	391
2016-01-01	383