Year	Number of Firms
1992-01-01	13
1997-01-01	21
2002-01-01	18
2003-01-01	14
2004-01-01	11
2005-01-01	20
2006-01-01	20
2007-01-01	26
2008-01-01	27
2009-01-01	35
2010-01-01	29
2011-01-01	41
2012-01-01	41
2013-01-01	28
2014-01-01	51
2015-01-01	40
2016-01-01	45