Year	Number of Firms
1992-01-01	110
1997-01-01	145
2002-01-01	146
2003-01-01	161
2004-01-01	169
2005-01-01	188
2006-01-01	193
2007-01-01	213
2008-01-01	205
2009-01-01	217
2010-01-01	231
2011-01-01	255
2012-01-01	242
2013-01-01	242
2014-01-01	232
2015-01-01	242
2016-01-01	230