Year	Number of Firms
1992-01-01	11
1997-01-01	14
2002-01-01	16
2003-01-01	19
2004-01-01	17
2005-01-01	16
2006-01-01	26
2007-01-01	22
2008-01-01	16
2009-01-01	18
2010-01-01	19
2011-01-01	16
2012-01-01	23
2013-01-01	19
2014-01-01	21
2015-01-01	24
2016-01-01	24