Year	Number of Firms
1992-01-01	59
1997-01-01	105
2002-01-01	92
2003-01-01	99
2004-01-01	133
2005-01-01	158
2006-01-01	151
2007-01-01	155
2008-01-01	178
2009-01-01	173
2010-01-01	198
2011-01-01	228
2012-01-01	229
2013-01-01	233
2014-01-01	244
2015-01-01	235
2016-01-01	206