Year	Number of Firms
1992-01-01	14
1997-01-01	50
2002-01-01	84
2003-01-01	80
2004-01-01	74
2005-01-01	94
2006-01-01	101
2007-01-01	129
2008-01-01	137
2009-01-01	126
2010-01-01	144
2011-01-01	162
2012-01-01	164
2013-01-01	160
2014-01-01	159
2015-01-01	163
2016-01-01	177