Year	Number of Firms
1992-01-01	5
1997-01-01	14
2002-01-01	16
2003-01-01	26
2004-01-01	22
2005-01-01	17
2006-01-01	23
2007-01-01	26
2008-01-01	26
2009-01-01	36
2010-01-01	22
2011-01-01	29
2012-01-01	30
2013-01-01	26
2014-01-01	25
2015-01-01	26
2016-01-01	25