Year	Number of Firms
1992-01-01	113
1997-01-01	168
2002-01-01	150
2003-01-01	159
2004-01-01	172
2005-01-01	172
2006-01-01	182
2007-01-01	210
2008-01-01	220
2009-01-01	190
2010-01-01	217
2011-01-01	216
2012-01-01	201
2013-01-01	210
2014-01-01	212
2015-01-01	225
2016-01-01	204