Latest News

2017

2016

    16 Dec — Release Notes

    Data updates up to Nov 2016.

    21 Nov — Release Notes

    Data updates up to Oct 2016.

    18 Oct — Release Notes

    Data updates up to Sep 2016.

    15 Sep — Release Notes

    Data updates up to Aug 2016.

    24 Aug — Release Notes

    Data updates up to Jul 2016, flow studies updated to 2001-2015 period.

    19 Jul — Release Notes

    Data updates up to Jun 2016

    07 Jul — Release Notes

    Data updates up to Jun 2016

    15 Jun — Release Notes

    Data updates up to May 2016, additional matadata, vertical efficiency article

    18 May — Release Notes

    Data updates up to Apr 2016, new methodology entries, additional charts

    22 Apr — Release Notes

    Data updates up to Mar 2016, new methodology entries, additional charts

    11 Mar — Release Notes

    Data updates up to Feb 2016, new web address (for real), two new methodology topics.

    15 Feb — Release Notes

    Data updates up to Jan 2016, new web address, new methodology section.

    19 Jan — Release Notes

    Data updates up to Dec 2015, added new definitions.

2015