Year	Number of Firms
1992-01-01	47
1997-01-01	48
2002-01-01	49
2003-01-01	55
2004-01-01	55
2005-01-01	42
2006-01-01	48
2007-01-01	58
2008-01-01	67
2009-01-01	82
2010-01-01	101
2011-01-01	105
2012-01-01	93
2013-01-01	90
2014-01-01	76
2015-01-01	59
2016-01-01	64