Year	Number of Firms
1992-01-01	52
1997-01-01	33
2002-01-01	80
2003-01-01	92
2004-01-01	135
2005-01-01	118
2006-01-01	123
2007-01-01	129
2008-01-01	196
2009-01-01	193
2010-01-01	249
2011-01-01	283
2012-01-01	374
2013-01-01	433
2014-01-01	446
2015-01-01	309
2016-01-01	229