Year	Number of Firms
1992-01-01	3
1997-01-01	6
2002-01-01	13
2003-01-01	15
2004-01-01	28
2005-01-01	31
2006-01-01	36
2007-01-01	43
2008-01-01	56
2009-01-01	50
2010-01-01	48
2011-01-01	59
2012-01-01	70
2013-01-01	60
2014-01-01	72
2015-01-01	68
2016-01-01	67