Year	Number of Firms
1992-01-01	1
1997-01-01	19
2002-01-01	23
2003-01-01	24
2004-01-01	31
2005-01-01	35
2006-01-01	35
2007-01-01	48
2008-01-01	52
2009-01-01	43
2010-01-01	50
2011-01-01	61
2012-01-01	73
2013-01-01	68
2014-01-01	70
2015-01-01	63
2016-01-01	67