Year	Number of Firms
1992-01-01	33
1997-01-01	42
2002-01-01	74
2003-01-01	77
2004-01-01	98
2005-01-01	95
2006-01-01	108
2007-01-01	146
2008-01-01	168
2009-01-01	182
2010-01-01	181
2011-01-01	190
2012-01-01	186
2013-01-01	173
2014-01-01	184
2015-01-01	185
2016-01-01	199