Year	Number of Firms
1992-01-01	78
1997-01-01	160
2002-01-01	172
2003-01-01	193
2004-01-01	191
2005-01-01	219
2006-01-01	221
2007-01-01	252
2008-01-01	281
2009-01-01	281
2010-01-01	327
2011-01-01	385
2012-01-01	424
2013-01-01	404
2014-01-01	379
2015-01-01	402
2016-01-01	409