Year	Number of Firms
1992-01-01	7
1997-01-01	14
2002-01-01	6
2003-01-01	8
2004-01-01	14
2005-01-01	17
2006-01-01	11
2007-01-01	21
2008-01-01	28
2009-01-01	24
2010-01-01	30
2011-01-01	34
2012-01-01	34
2013-01-01	40
2014-01-01	31
2015-01-01	36
2016-01-01	44