Year	Number of Firms
1992-01-01	141
1997-01-01	146
2002-01-01	160
2003-01-01	178
2004-01-01	199
2005-01-01	205
2006-01-01	191
2007-01-01	237
2008-01-01	239
2009-01-01	212
2010-01-01	201
2011-01-01	165
2012-01-01	159
2013-01-01	148
2014-01-01	152
2015-01-01	136
2016-01-01	148