Year	Number of Firms
1992-01-01	83
1997-01-01	134
2002-01-01	160
2003-01-01	202
2004-01-01	214
2005-01-01	222
2006-01-01	235
2007-01-01	270
2008-01-01	294
2009-01-01	272
2010-01-01	311
2011-01-01	410
2012-01-01	413
2013-01-01	418
2014-01-01	385
2015-01-01	383
2016-01-01	339