Year	Number of Firms
1992-01-01	120
1997-01-01	193
2002-01-01	178
2003-01-01	175
2004-01-01	165
2005-01-01	185
2006-01-01	193
2007-01-01	210
2008-01-01	230
2009-01-01	246
2010-01-01	272
2011-01-01	306
2012-01-01	293
2013-01-01	309
2014-01-01	349
2015-01-01	336
2016-01-01	337