Year	Number of Firms
1992-01-01	122
1997-01-01	161
2002-01-01	148
2003-01-01	177
2004-01-01	192
2005-01-01	189
2006-01-01	214
2007-01-01	232
2008-01-01	230
2009-01-01	193
2010-01-01	212
2011-01-01	214
2012-01-01	233
2013-01-01	242
2014-01-01	255
2015-01-01	272
2016-01-01	256