Year	Number of Firms
1992-01-01	35
1997-01-01	77
2002-01-01	60
2003-01-01	71
2004-01-01	97
2005-01-01	103
2006-01-01	117
2007-01-01	146
2008-01-01	166
2009-01-01	131
2010-01-01	144
2011-01-01	174
2012-01-01	183
2013-01-01	187
2014-01-01	184
2015-01-01	141
2016-01-01	144