Year	Number of Firms
1992-01-01	11
1997-01-01	7
2002-01-01	13
2003-01-01	14
2004-01-01	13
2005-01-01	11
2006-01-01	14
2007-01-01	14
2008-01-01	18
2009-01-01	22
2010-01-01	23
2011-01-01	22
2012-01-01	26
2013-01-01	20
2014-01-01	31
2015-01-01	30
2016-01-01	32