Year	Number of Firms
1992-01-01	11
1997-01-01	33
2002-01-01	21
2003-01-01	35
2004-01-01	44
2005-01-01	49
2006-01-01	58
2007-01-01	59
2008-01-01	61
2009-01-01	59
2010-01-01	62
2011-01-01	78
2012-01-01	69
2013-01-01	52
2014-01-01	48
2015-01-01	52
2016-01-01	56