Year	Number of Firms
1992-01-01	1
1997-01-01	6
2002-01-01	4
2003-01-01	2
2004-01-01	6
2005-01-01	15
2006-01-01	22
2007-01-01	29
2008-01-01	23
2009-01-01	25
2010-01-01	21
2011-01-01	23
2012-01-01	23
2013-01-01	28
2014-01-01	25
2015-01-01	40
2016-01-01	33