Year	Number of Firms
1992-01-01	37
1997-01-01	39
2002-01-01	131
2003-01-01	99
2004-01-01	76
2005-01-01	84
2006-01-01	174
2007-01-01	168
2008-01-01	107
2009-01-01	102
2010-01-01	127
2011-01-01	130
2012-01-01	107
2013-01-01	68
2014-01-01	63
2015-01-01	82
2016-01-01	167