| 2022|| style="text-align:right;" | 134,435 || || <ref>SVR(H) annual report and financial statements for the period ended 2 January 2023</ref> ||
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| 2023|| style="text-align:right;" | 128,517 || || <ref>SVR(H) annual report and financial statements for the period ended 7 January 2024</ref> || Visitors buying Freedom of the Line or Gala tickets were provided with a free return ticket
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