Advertising Year Expenditure Membership Year $ (000) Subscriptions 2013 51 62 2014 58 68 2015 62 66 2016 65 66 2017 68 67 2018 76 72 2019 77 73 2020 78 72 2021 78 78 2022 84 73 2023 85 76   What is the nature of the relationship between advertising expenditure and membership? Show in a graph

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