Year	Number of Firms
1992-01-01	21
1997-01-01	15
2002-01-01	28
2003-01-01	28
2004-01-01	29
2005-01-01	32
2006-01-01	39
2007-01-01	36
2008-01-01	53
2009-01-01	54
2010-01-01	54
2011-01-01	59
2012-01-01	149
2013-01-01	91
2014-01-01	130
2015-01-01	95
2016-01-01	79