Year	Number of Firms
1992-01-01	11
1997-01-01	19
2002-01-01	22
2003-01-01	27
2004-01-01	36
2005-01-01	34
2006-01-01	29
2007-01-01	31
2008-01-01	38
2009-01-01	26
2010-01-01	37
2011-01-01	40
2012-01-01	33
2013-01-01	38
2014-01-01	48
2015-01-01	49
2016-01-01	46