Year	Number of Firms
1992-01-01	10
1997-01-01	29
2002-01-01	18
2003-01-01	15
2004-01-01	17
2005-01-01	18
2006-01-01	24
2007-01-01	17
2008-01-01	26
2009-01-01	24
2010-01-01	23
2011-01-01	33
2012-01-01	29
2013-01-01	55
2014-01-01	39
2015-01-01	40
2016-01-01	28