Year	Number of Firms
1992-01-01	6
1997-01-01	11
2002-01-01	14
2003-01-01	10
2004-01-01	15
2005-01-01	23
2006-01-01	20
2007-01-01	21
2008-01-01	26
2009-01-01	23
2010-01-01	28
2011-01-01	24
2012-01-01	27
2013-01-01	34
2014-01-01	29
2015-01-01	34
2016-01-01	30