Year	Number of Firms
1992-01-01	5
1997-01-01	7
2002-01-01	15
2003-01-01	16
2004-01-01	15
2005-01-01	24
2006-01-01	21
2007-01-01	13
2008-01-01	17
2009-01-01	12
2010-01-01	10
2011-01-01	13
2012-01-01	16
2013-01-01	22
2014-01-01	25
2015-01-01	24
2016-01-01	22