Year	Number of Firms
1992-01-01	55
1997-01-01	63
2002-01-01	78
2003-01-01	74
2004-01-01	72
2005-01-01	80
2006-01-01	87
2007-01-01	90
2008-01-01	113
2009-01-01	133
2010-01-01	128
2011-01-01	144
2012-01-01	156
2013-01-01	151
2014-01-01	153
2015-01-01	153
2016-01-01	120
