Year	Number of Firms
1992-01-01	15
1997-01-01	28
2002-01-01	17
2003-01-01	15
2004-01-01	16
2005-01-01	15
2006-01-01	22
2007-01-01	24
2008-01-01	32
2009-01-01	23
2010-01-01	31
2011-01-01	28
2012-01-01	26
2013-01-01	37
2014-01-01	36
2015-01-01	35
2016-01-01	44