Year	Number of Firms
1992-01-01	5
1997-01-01	15
2002-01-01	18
2003-01-01	11
2004-01-01	13
2005-01-01	16
2006-01-01	16
2007-01-01	19
2008-01-01	29
2009-01-01	23
2010-01-01	19
2011-01-01	29
2012-01-01	23
2013-01-01	31
2014-01-01	34
2015-01-01	28
2016-01-01	26