Year	Number of Firms
1992-01-01	84
1997-01-01	119
2002-01-01	115
2003-01-01	115
2004-01-01	150
2005-01-01	148
2006-01-01	153
2007-01-01	154
2008-01-01	171
2009-01-01	178
2010-01-01	173
2011-01-01	193
2012-01-01	188
2013-01-01	184
2014-01-01	186
2015-01-01	188
2016-01-01	161