Year	Number of Firms
1992-01-01	23
1997-01-01	18
2002-01-01	23
2003-01-01	23
2004-01-01	25
2005-01-01	29
2006-01-01	28
2007-01-01	25
2008-01-01	43
2009-01-01	44
2010-01-01	53
2011-01-01	68
2012-01-01	52
2013-01-01	48
2014-01-01	61
2015-01-01	52
2016-01-01	57