Year Number of Firms 1992-01-01 558 1997-01-01 997 2002-01-01 841 2003-01-01 843 2004-01-01 811 2005-01-01 810 2006-01-01 896 2007-01-01 1035 2008-01-01 1100 2009-01-01 996 2010-01-01 1072 2011-01-01 1106 2012-01-01 1195 2013-01-01 1189 2014-01-01 1170 2015-01-01 1138 2016-01-01 1079