Year	Number of Firms
1992-01-01	41
1997-01-01	69
2002-01-01	78
2003-01-01	85
2004-01-01	82
2005-01-01	78
2006-01-01	100
2007-01-01	99
2008-01-01	102
2009-01-01	121
2010-01-01	133
2011-01-01	140
2012-01-01	160
2013-01-01	154
2014-01-01	167
2015-01-01	156
2016-01-01	141