Year	Number of Firms
1992-01-01	41
1997-01-01	61
2002-01-01	85
2003-01-01	77
2004-01-01	80
2005-01-01	76
2006-01-01	94
2007-01-01	90
2008-01-01	109
2009-01-01	113
2010-01-01	117
2011-01-01	159
2012-01-01	156
2013-01-01	144
2014-01-01	139
2015-01-01	141
2016-01-01	118
