Year	Number of Firms
1992-01-01	1
1997-01-01	10
2002-01-01	4
2003-01-01	16
2004-01-01	11
2005-01-01	17
2006-01-01	20
2007-01-01	24
2008-01-01	21
2009-01-01	17
2010-01-01	28
2011-01-01	42
2012-01-01	37
2013-01-01	33
2014-01-01	48
2015-01-01	42
2016-01-01	44