Year	Number of Firms
1992-01-01	11
1997-01-01	17
2002-01-01	13
2003-01-01	18
2004-01-01	18
2005-01-01	27
2006-01-01	29
2007-01-01	28
2008-01-01	30
2009-01-01	39
2010-01-01	38
2011-01-01	40
2012-01-01	40
2013-01-01	36
2014-01-01	45
2015-01-01	57
2016-01-01	48