Year	Number of Firms
1992-01-01	97
1997-01-01	165
2002-01-01	178
2003-01-01	195
2004-01-01	213
2005-01-01	233
2006-01-01	208
2007-01-01	245
2008-01-01	242
2009-01-01	245
2010-01-01	249
2011-01-01	295
2012-01-01	255
2013-01-01	280
2014-01-01	281
2015-01-01	273
2016-01-01	298