Year	Number of Firms
1992-01-01	13
1997-01-01	11
2002-01-01	18
2003-01-01	22
2004-01-01	21
2005-01-01	15
2006-01-01	26
2007-01-01	33
2008-01-01	26
2009-01-01	25
2010-01-01	24
2011-01-01	28
2012-01-01	29
2013-01-01	28
2014-01-01	31
2015-01-01	31
2016-01-01	25