Year	Number of Firms
1992-01-01	35
1997-01-01	47
2002-01-01	48
2003-01-01	53
2004-01-01	54
2005-01-01	56
2006-01-01	46
2007-01-01	81
2008-01-01	170
2009-01-01	168
2010-01-01	165
2011-01-01	110
2012-01-01	104
2013-01-01	109
2014-01-01	120
2015-01-01	115
2016-01-01	106