Year	Number of Firms
1992-01-01	5
1997-01-01	17
2002-01-01	11
2003-01-01	18
2004-01-01	23
2005-01-01	25
2006-01-01	20
2007-01-01	21
2008-01-01	33
2009-01-01	30
2010-01-01	37
2011-01-01	46
2012-01-01	48
2013-01-01	49
2014-01-01	38
2015-01-01	34
2016-01-01	22