Home > Investor relations > Operating statistics Operating statistics Click here to view from: 2013 / 2012 / 2011 / 2010 2013 Quarter 4 Quarter 3 Quarter 2 Quarter 1 View PDF 2012 Quarter 4 Quarter 3 Quarter 2 Quarter 1 View PDF View PDF View PDF View PDF 2011 Quarter 4 September August July View PDF View PDF View PDF View PDF June May April Quarter 1 View PDF View PDF View PDF View PDF 2010 Quarter 4 Quarter 3 Quarter 2 Quarter 1 View PDF View PDF View PDF View PDF