Year	Number of Firms
1992-01-01	1
1997-01-01	4
2002-01-01	4
2003-01-01	5
2004-01-01	6
2005-01-01	12
2006-01-01	13
2007-01-01	19
2008-01-01	22
2009-01-01	15
2010-01-01	22
2011-01-01	25
2012-01-01	28
2013-01-01	31
2014-01-01	25
2015-01-01	22
2016-01-01	16