Year	Number of Firms
1992-01-01	22
1997-01-01	43
2002-01-01	27
2003-01-01	30
2004-01-01	33
2005-01-01	34
2006-01-01	44
2007-01-01	51
2008-01-01	52
2009-01-01	65
2010-01-01	51
2011-01-01	52
2012-01-01	56
2013-01-01	60
2014-01-01	61
2015-01-01	45
2016-01-01	47