meaning and error analysis:
1. "per-capita statistics" is subject. The word "statistics" is used both as singular and as plural. Looking at the "Shine" in un-underline part, i say it is plural. use of 'their' is correct.
2. "Between" is used for two distinct object, in this case cities. Among should be a better option, but all choices are using between so let this one go. Consider it for two cities.
3. "per-capita statistics" is modified by modifier
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1. "per-capita statistics" is subject. The word "statistics" is used both as singular and as plural. Looking at the "Shine" in un-underline part, i say it is plural. use of 'their' is correct.
2. "Between" is used for two distinct object, in this case cities. Among should be a better option, but all choices are using between so let this one go. Consider it for two cities.
3. "per-capita statistics" is modified by modifier
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