Year	Number of Firms
1992-01-01	91
1997-01-01	191
2002-01-01	102
2003-01-01	119
2004-01-01	135
2005-01-01	154
2006-01-01	152
2007-01-01	174
2008-01-01	180
2009-01-01	175
2010-01-01	182
2011-01-01	247
2012-01-01	203
2013-01-01	214
2014-01-01	209
2015-01-01	171
2016-01-01	155
