Year	Number of Firms
1992-01-01	60
1997-01-01	58
2002-01-01	112
2003-01-01	127
2004-01-01	156
2005-01-01	184
2006-01-01	177
2007-01-01	188
2008-01-01	211
2009-01-01	240
2010-01-01	301
2011-01-01	301
2012-01-01	262
2013-01-01	292
2014-01-01	326
2015-01-01	317
2016-01-01	358