Year	Number of Firms
1992-01-01	11
1997-01-01	18
2002-01-01	19
2003-01-01	17
2004-01-01	18
2005-01-01	17
2006-01-01	19
2007-01-01	15
2008-01-01	21
2009-01-01	34
2010-01-01	45
2011-01-01	35
2012-01-01	38
2013-01-01	41
2014-01-01	35
2015-01-01	47
2016-01-01	38