GAS STATISTICS REPORT 2020 GSR Jan 2020 GSR April 2020 GSR July 2020 GSR Oct 2020 2019 GSR Jan 2019 GSR Apr 2019 GSR July 2019 GSR Oct 2019 2018 GSR Jan 2018 GSR Apr 2018 GSR July 2018 GSR Oct 2018 2017 GSR Jan 2017 GSR Apr 2017 GSR July 2017 GSR Oct 201 2016 GSR Jan 2016 GSR July 2016 GSR Oct 2016