Year	Number of Firms
1992-01-01	2451
1997-01-01	3139
2002-01-01	3396
2003-01-01	3570
2004-01-01	3768
2005-01-01	3681
2006-01-01	3679
2007-01-01	3925
2008-01-01	4199
2009-01-01	4054
2010-01-01	4183
2011-01-01	4328
2012-01-01	4293
2013-01-01	4283
2014-01-01	4331
2015-01-01	4388
2016-01-01	4611