Year	Number of Firms
1992-01-01	73
1997-01-01	59
2002-01-01	164
2003-01-01	185
2004-01-01	251
2005-01-01	208
2006-01-01	292
2007-01-01	352
2008-01-01	573
2009-01-01	562
2010-01-01	683
2011-01-01	861
2012-01-01	1066
2013-01-01	1165
2014-01-01	1157
2015-01-01	927
2016-01-01	645