Year	Number of Firms
1992-01-01	34
1997-01-01	47
2002-01-01	52
2003-01-01	75
2004-01-01	64
2005-01-01	68
2006-01-01	91
2007-01-01	103
2008-01-01	135
2009-01-01	151
2010-01-01	143
2011-01-01	171
2012-01-01	176
2013-01-01	173
2014-01-01	199
2015-01-01	195
2016-01-01	182