Year	Number of Firms
1992-01-01	5
1997-01-01	4
2002-01-01	6
2003-01-01	3
2004-01-01	7
2005-01-01	14
2006-01-01	14
2007-01-01	13
2008-01-01	19
2009-01-01	24
2010-01-01	30
2011-01-01	23
2012-01-01	31
2013-01-01	33
2014-01-01	30
2015-01-01	31
2016-01-01	13