Year	Number of Firms
1992-01-01	3
1997-01-01	23
2002-01-01	24
2003-01-01	47
2004-01-01	76
2005-01-01	90
2006-01-01	88
2007-01-01	100
2008-01-01	107
2009-01-01	202
2010-01-01	312
2011-01-01	290
2012-01-01	201
2013-01-01	151
2014-01-01	123
2015-01-01	106
2016-01-01	109