Year	Number of Firms
1992-01-01	16
1997-01-01	36
2002-01-01	52
2003-01-01	49
2004-01-01	58
2005-01-01	67
2006-01-01	73
2007-01-01	83
2008-01-01	107
2009-01-01	120
2010-01-01	136
2011-01-01	126
2012-01-01	133
2013-01-01	137
2014-01-01	155
2015-01-01	160
2016-01-01	170