Year Number of Firms 1992-01-01 721 1997-01-01 798 2002-01-01 975 2003-01-01 948 2004-01-01 976 2005-01-01 959 2006-01-01 915 2007-01-01 894 2008-01-01 978 2009-01-01 910 2010-01-01 953 2011-01-01 962 2012-01-01 945 2013-01-01 906 2014-01-01 938 2015-01-01 923 2016-01-01 912