Year	Number of Firms
1992-01-01	2
1997-01-01	17
2002-01-01	14
2003-01-01	18
2004-01-01	21
2005-01-01	12
2006-01-01	23
2007-01-01	23
2008-01-01	28
2009-01-01	27
2010-01-01	34
2011-01-01	48
2012-01-01	46
2013-01-01	35
2014-01-01	29
2015-01-01	44
2016-01-01	42