Year	Number of Firms
1992-01-01	40
1997-01-01	67
2002-01-01	79
2003-01-01	90
2004-01-01	98
2005-01-01	108
2006-01-01	121
2007-01-01	121
2008-01-01	116
2009-01-01	116
2010-01-01	137
2011-01-01	145
2012-01-01	159
2013-01-01	155
2014-01-01	170
2015-01-01	173
2016-01-01	174