Year	Number of Firms
1992-01-01	11
1997-01-01	12
2002-01-01	12
2003-01-01	16
2004-01-01	21
2005-01-01	23
2006-01-01	22
2007-01-01	31
2008-01-01	26
2009-01-01	32
2010-01-01	30
2011-01-01	26
2012-01-01	28
2013-01-01	22
2014-01-01	24
2015-01-01	23
2016-01-01	24