Year	Number of Firms
1992-01-01	80
1997-01-01	153
2002-01-01	189
2003-01-01	178
2004-01-01	183
2005-01-01	184
2006-01-01	186
2007-01-01	221
2008-01-01	237
2009-01-01	223
2010-01-01	219
2011-01-01	255
2012-01-01	242
2013-01-01	256
2014-01-01	263
2015-01-01	265
2016-01-01	233
