Mean Normalized Index (Fraction Positive)Number of Analyzed News© Kejo Starosta2009-072010-012010-072011-012011-072012-012012-072013-012013-072014-012014-072015-012015-072016-012016-072017-012017-072018-012018-072019-012019-072020-012020-072021-012021-072022-012022-072023-01Time Axis-0.6-0.5-0.4-0.3-0.2-0.10.00.10.20.30.40.50.60.70.80.91.01.1Mean Normalized Index (Fraction Positive)-80-60-40-20020406080100120140160180200220240260280300320340360380400Number of Analyzed News2012-04-182012-05-072012-05-212012-06-042014-06-022011-03-102012-10-022014-05-222011-10-192011-11-18