[["2013-03-31", 15.551], ["2013-06-30", 21.908], ["2013-09-30", 17.404], ["2013-12-31", 14.353], ["2014-03-31", 11.403], ["2014-06-30", 14.535], ["2014-09-30", 12.71], ["2014-12-31", 10.837], ["2015-03-31", 15.394], ["2015-06-30", 12.109], ["2015-09-30", 13.195], ["2015-12-31", 12.043], ["2016-03-31", 14.847], ["2016-06-30", 13.982], ["2016-09-30", 12.531], ["2016-12-31", 11.204], ["2017-03-31", 13.585], ["2017-06-30", 14.481], ["2017-09-30", 17.748], ["2017-12-31", 14.606], ["2018-03-31", 15.142], ["2018-06-30", 17.077], ["2018-09-30", 17.996], ["2018-12-31", 22.383], ["2019-03-31", 23.339], ["2019-06-30", 24.641], ["2019-09-30", 20.643], ["2019-12-31", 21.216], ["2020-03-31", 19.552], ["2020-06-30", 15.945], ["2020-09-30", 14.701], ["2020-12-31", 15.45], ["2021-03-31", 14.895], ["2021-06-30", 15.219], ["2021-09-30", 23.699], ["2021-12-31", 22.919], ["2022-03-31", 21.148], ["2022-06-30", 21.454], ["2022-09-30", 19.247], ["2022-12-31", 19.881], ["2023-03-31", 18.728], ["2023-06-30", 13.297], ["2023-09-30", 15.393], ["2023-12-31", 19.239], ["2024-03-31", 16.247], ["2024-06-30", 20.005], ["2024-09-30", 17.985], ["2024-12-31", 16.75], ["2025-03-31", 18.297], ["2025-06-30", 17.951], ["2025-09-30", 18.159], ["2025-12-31", 23.909], ["2026-03-31", 23.722], ["2026-06-30", 19.249]]