Year	Number of Firms
1992-01-01	12
1997-01-01	13
2002-01-01	22
2003-01-01	25
2004-01-01	28
2005-01-01	31
2006-01-01	23
2007-01-01	32
2008-01-01	30
2009-01-01	35
2010-01-01	39
2011-01-01	39
2012-01-01	36
2013-01-01	34
2014-01-01	48
2015-01-01	39
2016-01-01	49