Year	Number of Firms
1992-01-01	8
1997-01-01	5
2002-01-01	17
2003-01-01	14
2004-01-01	25
2005-01-01	21
2006-01-01	18
2007-01-01	14
2008-01-01	24
2009-01-01	17
2010-01-01	28
2011-01-01	26
2012-01-01	36
2013-01-01	24
2014-01-01	29
2015-01-01	29
2016-01-01	25
