Year	Number of Firms
1992-01-01	41
1997-01-01	95
2002-01-01	102
2003-01-01	128
2004-01-01	165
2005-01-01	176
2006-01-01	181
2007-01-01	197
2008-01-01	211
2009-01-01	210
2010-01-01	257
2011-01-01	273
2012-01-01	284
2013-01-01	290
2014-01-01	286
2015-01-01	263
2016-01-01	263