This chart includes estimates for one or more groups that are too small to be statistically reliable, interpret with caution.
View flagged groups
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May 2021 - May 2021:
'Don't know'
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Nov 2021 - Dec 2021:
'Don't know'
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May 2022 - May 2022:
'Don't know'
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Dec 2022 - Dec 2022:
'Don't know'
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May 2023 - May 2023:
'Don't know'