Year	Number of Firms
1992-01-01	22
1997-01-01	24
2002-01-01	47
2003-01-01	52
2004-01-01	51
2005-01-01	64
2006-01-01	90
2007-01-01	94
2008-01-01	92
2009-01-01	96
2010-01-01	92
2011-01-01	114
2012-01-01	114
2013-01-01	108
2014-01-01	106
2015-01-01	108
2016-01-01	98