Year	Number of Firms
1992-01-01	10
1997-01-01	17
2002-01-01	19
2003-01-01	20
2004-01-01	25
2005-01-01	23
2006-01-01	19
2007-01-01	45
2008-01-01	39
2009-01-01	31
2010-01-01	43
2011-01-01	43
2012-01-01	36
2013-01-01	40
2014-01-01	43
2015-01-01	47
2016-01-01	41