Year	Number of Firms
1992-01-01	133
1997-01-01	153
2002-01-01	141
2003-01-01	144
2004-01-01	152
2005-01-01	155
2006-01-01	182
2007-01-01	195
2008-01-01	189
2009-01-01	178
2010-01-01	184
2011-01-01	182
2012-01-01	189
2013-01-01	165
2014-01-01	187
2015-01-01	165
2016-01-01	170