Year	Number of Firms
1992-01-01	16
1997-01-01	33
2002-01-01	33
2003-01-01	29
2004-01-01	22
2005-01-01	28
2006-01-01	39
2007-01-01	35
2008-01-01	39
2009-01-01	44
2010-01-01	46
2011-01-01	51
2012-01-01	52
2013-01-01	66
2014-01-01	55
2015-01-01	50
2016-01-01	51