Year	Number of Firms
1992-01-01	6
1997-01-01	21
2002-01-01	32
2003-01-01	43
2004-01-01	33
2005-01-01	43
2006-01-01	50
2007-01-01	59
2008-01-01	89
2009-01-01	108
2010-01-01	104
2011-01-01	116
2012-01-01	114
2013-01-01	121
2014-01-01	145
2015-01-01	145
2016-01-01	143