Year	Number of Firms
1992-01-01	4
1997-01-01	22
2002-01-01	29
2003-01-01	43
2004-01-01	48
2005-01-01	58
2006-01-01	75
2007-01-01	81
2008-01-01	91
2009-01-01	96
2010-01-01	110
2011-01-01	111
2012-01-01	123
2013-01-01	115
2014-01-01	121
2015-01-01	115
2016-01-01	125