Year	Number of Firms
1992-01-01	14
1997-01-01	22
2002-01-01	18
2003-01-01	16
2004-01-01	22
2005-01-01	30
2006-01-01	24
2007-01-01	22
2008-01-01	34
2009-01-01	29
2010-01-01	38
2011-01-01	45
2012-01-01	51
2013-01-01	60
2014-01-01	49
2015-01-01	37
2016-01-01	47