Year	Number of Firms
1992-01-01	53
1997-01-01	73
2002-01-01	77
2003-01-01	78
2004-01-01	88
2005-01-01	104
2006-01-01	102
2007-01-01	139
2008-01-01	128
2009-01-01	116
2010-01-01	138
2011-01-01	151
2012-01-01	140
2013-01-01	158
2014-01-01	153
2015-01-01	157
2016-01-01	146