Year	Number of Firms
1992-01-01	41
1997-01-01	52
2002-01-01	72
2003-01-01	77
2004-01-01	82
2005-01-01	84
2006-01-01	94
2007-01-01	100
2008-01-01	124
2009-01-01	126
2010-01-01	116
2011-01-01	133
2012-01-01	171
2013-01-01	140
2014-01-01	146
2015-01-01	140
2016-01-01	140