Year	Number of Firms
1992-01-01	1
1997-01-01	31
2002-01-01	39
2003-01-01	39
2004-01-01	55
2005-01-01	79
2006-01-01	100
2007-01-01	148
2008-01-01	137
2009-01-01	121
2010-01-01	209
2011-01-01	245
2012-01-01	194
2013-01-01	190
2014-01-01	150
2015-01-01	125
2016-01-01	109