2011:
soep-is-2011/Q1862014:
soep-is-2014-f/Q243 soep-is-2014-a/Q2432015:
soep-is-2015/Q3072016:
soep-is-2016-f/Q391 soep-is-2016-a/Q3912017:
soep-is-2017-f/Q3962019:
soep-is-2019/Q4282020:
soep-bip-2020-e/Q214 soep-is-2020/Q3652022:
soep-is-2022/443