Year	Number of Firms
1992-01-01	105
1997-01-01	154
2002-01-01	177
2003-01-01	157
2004-01-01	178
2005-01-01	179
2006-01-01	203
2007-01-01	253
2008-01-01	312
2009-01-01	336
2010-01-01	334
2011-01-01	374
2012-01-01	378
2013-01-01	402
2014-01-01	410
2015-01-01	447
2016-01-01	397