Year	Number of Firms
1992-01-01	8
1997-01-01	13
2002-01-01	17
2003-01-01	17
2004-01-01	18
2005-01-01	17
2006-01-01	19
2007-01-01	22
2008-01-01	30
2009-01-01	23
2010-01-01	31
2011-01-01	37
2012-01-01	43
2013-01-01	46
2014-01-01	44
2015-01-01	44
2016-01-01	33