Year	Number of Firms
1992-01-01	17
1997-01-01	22
2002-01-01	16
2003-01-01	24
2004-01-01	26
2005-01-01	28
2006-01-01	26
2007-01-01	32
2008-01-01	38
2009-01-01	51
2010-01-01	36
2011-01-01	23
2012-01-01	33
2013-01-01	37
2014-01-01	47
2015-01-01	43
2016-01-01	38