Year	Number of Firms
1992-01-01	134
1997-01-01	170
2002-01-01	108
2003-01-01	133
2004-01-01	152
2005-01-01	164
2006-01-01	152
2007-01-01	180
2008-01-01	188
2009-01-01	203
2010-01-01	201
2011-01-01	198
2012-01-01	213
2013-01-01	178
2014-01-01	185
2015-01-01	195
2016-01-01	186
