Year	Number of Firms
1992-01-01	31
1997-01-01	67
2002-01-01	70
2003-01-01	71
2004-01-01	70
2005-01-01	69
2006-01-01	85
2007-01-01	81
2008-01-01	101
2009-01-01	96
2010-01-01	92
2011-01-01	101
2012-01-01	94
2013-01-01	123
2014-01-01	136
2015-01-01	139
2016-01-01	123