Year	Number of Firms
1992-01-01	52
1997-01-01	107
2002-01-01	91
2003-01-01	105
2004-01-01	111
2005-01-01	112
2006-01-01	91
2007-01-01	120
2008-01-01	138
2009-01-01	128
2010-01-01	158
2011-01-01	164
2012-01-01	148
2013-01-01	163
2014-01-01	153
2015-01-01	140
2016-01-01	145