Year	Number of Firms
1992-01-01	2
1997-01-01	3
2002-01-01	1
2003-01-01	7
2004-01-01	8
2005-01-01	15
2006-01-01	14
2007-01-01	13
2008-01-01	13
2009-01-01	21
2010-01-01	26
2011-01-01	31
2012-01-01	38
2013-01-01	22
2014-01-01	31
2015-01-01	23
2016-01-01	38