Year	Number of Firms
1992-01-01	4
1997-01-01	4
2002-01-01	6
2003-01-01	11
2004-01-01	9
2005-01-01	13
2006-01-01	19
2007-01-01	23
2008-01-01	10
2009-01-01	14
2010-01-01	23
2011-01-01	28
2012-01-01	30
2013-01-01	33
2014-01-01	36
2015-01-01	22
2016-01-01	25