Year	Number of Firms
1992-01-01	8
1997-01-01	13
2002-01-01	30
2003-01-01	25
2004-01-01	17
2005-01-01	33
2006-01-01	31
2007-01-01	45
2008-01-01	38
2009-01-01	51
2010-01-01	59
2011-01-01	50
2012-01-01	59
2013-01-01	62
2014-01-01	66
2015-01-01	66
2016-01-01	47
