Year	Number of Firms
1992-01-01	8
1997-01-01	11
2002-01-01	13
2003-01-01	11
2004-01-01	8
2005-01-01	21
2006-01-01	18
2007-01-01	24
2008-01-01	24
2009-01-01	30
2010-01-01	33
2011-01-01	35
2012-01-01	40
2013-01-01	40
2014-01-01	45
2015-01-01	31
2016-01-01	33