Year	Number of Firms
1992-01-01	2
1997-01-01	12
2002-01-01	55
2003-01-01	41
2004-01-01	52
2005-01-01	69
2006-01-01	67
2007-01-01	83
2008-01-01	85
2009-01-01	104
2010-01-01	102
2011-01-01	102
2012-01-01	105
2013-01-01	100
2014-01-01	113
2015-01-01	110
2016-01-01	135