Year	Number of Firms
1992-01-01	11
1997-01-01	24
2002-01-01	14
2003-01-01	19
2004-01-01	18
2005-01-01	23
2006-01-01	19
2007-01-01	23
2008-01-01	33
2009-01-01	37
2010-01-01	36
2011-01-01	37
2012-01-01	29
2013-01-01	25
2014-01-01	27
2015-01-01	18
2016-01-01	25