Year	Number of Firms
1992-01-01	145
1997-01-01	199
2002-01-01	165
2003-01-01	170
2004-01-01	208
2005-01-01	228
2006-01-01	240
2007-01-01	277
2008-01-01	279
2009-01-01	271
2010-01-01	306
2011-01-01	303
2012-01-01	316
2013-01-01	306
2014-01-01	285
2015-01-01	275
2016-01-01	281