Year	Number of Firms
1992-01-01	279
1997-01-01	243
2002-01-01	317
2003-01-01	316
2004-01-01	358
2005-01-01	338
2006-01-01	328
2007-01-01	327
2008-01-01	333
2009-01-01	347
2010-01-01	382
2011-01-01	399
2012-01-01	415
2013-01-01	391
2014-01-01	377
2015-01-01	376
2016-01-01	392