Year	Number of Firms
1992-01-01	138
1997-01-01	158
2002-01-01	160
2003-01-01	154
2004-01-01	167
2005-01-01	175
2006-01-01	164
2007-01-01	201
2008-01-01	192
2009-01-01	193
2010-01-01	195
2011-01-01	203
2012-01-01	200
2013-01-01	194
2014-01-01	185
2015-01-01	179
2016-01-01	181