Year	Number of Firms
1992-01-01	21
1997-01-01	36
2002-01-01	47
2003-01-01	52
2004-01-01	53
2005-01-01	58
2006-01-01	80
2007-01-01	85
2008-01-01	97
2009-01-01	101
2010-01-01	121
2011-01-01	157
2012-01-01	140
2013-01-01	153
2014-01-01	185
2015-01-01	140
2016-01-01	138